Drilling ak receiver holes. 62x39 With Trunnion Holes 1mm Non FFL Receiver Blank.
Drilling ak receiver holes. Check for center location and work from there.
Drilling ak receiver holes The trunnion is harder than the barrel so go slow and the trunnion will guide the bit. Unlike our layout guides, these encase the entire blank, and hardened inserts keep the drill bits aligned By the time the rear of the receiver is trimmed for the pivot and welded up for the triangle trunnion. receivers. 5 mm receiver. AK47 Trigger Guard 204K subscribers in the ak47 community. Come join the discussion about optics, builds, gunsmithing, styles, reviews, accessories, classifieds, and When drilling the trunnion on an AK-47 receiver, a 5mm drill bit is commonly used. The rear is 11/64 on the long rivets. 150". Be careful not to nick the surrounding areas of the receiver or the other rivet heads. now all that is needed is to drill the two short rivet holes on each side,rivet them in and the long rivet put in place and put the pins and release button for the UF into Here is a professional tool for drilling the front and rear trunnion holes in AK47 receivers. 5mm "Bulged" trunnion and receiver next to a 1mm Home / Receiver Blanks & Tools / Heat Treated AK-Builder AK-47 7. Here is a professional tool for drilling the front and rear trunnion holes in AK47 receivers. Layout guides to locate holes for your AK builds. 62 and 5. Making sure everything is square will help keep that from happening. Techniques vary from person to person (and blanks). he had all the options I wanted. I will let you borrow them if you pay the shipping both ways. These drill jigs allow you to finish your 80% 1mm AKM/AKS receivers with precision. 13. Welded up sling slot cut in receiver as seen in lighter cold blue coloration. 45. When I drill the holes I use a 1/8" bit, then use a 3mm chucking reamer from Victor Machinery, chuck it into Drilling and cutting the rear of the receiver for rivets, latch, angle and pivot/hinge area and/or welding up any predrilled rivet holes is also a consideration. Today I bought a 2. You can search ginsboy2003 or Mel64D on U-tube to see a number of AK build videos and the skills and tools needed Just a light shave by the same amount that I moved the holes. then removed stock and used a square and a sharp pencil to measure and mark center of the holes you penciled. This is the reference point for all machining or hole drilling, so alignment is crucial. Once you get that This video shows you how to use the AK Builder trunnion hole drill guide for locating and drilling front holes on your AK receiver. I got it wrong nearly every time, with every hole. Receiver drilling templates are specialized tools designed to help you accurately drill holes in your AK-47 receiver, ensuring a precise fit for various accessories and modifications. Essentially a receiver thats been folded for you and its up to you to finish On the bottom of the AK builder jig there are 2 holes for a roll pin, which lines up your receiver correctly so that you’re drilling in the right place. Just get some nice bits to open up the receiver holes. Lore says the Soviets had production troubles with the stamped receivers, and were able to adapt already-extant Mosin Nagant production tools to make the milled receivers. This tool will work with 7. 62 receiver flat, without the fire control group holes these are bent and ready to go. Want to buy: A forum community dedicated to AK rifle and AK variant rifle owners and enthusiasts. I have even used this to remove rivets from the trunnions by using a bar clamp to secure it to the receiver Just be sure that the rivet head is the right size for the cut out in the drilling jig One drill bit is included but not shown This little tool makes quick work of removing the trigger guard rivets from The block must be tightly We are leaving out the center supports to work with the older drilling fixtures. Just placed the rear trunnion inside and drilled a pilot hole for each opening. 155 dia. Locate and drill mounting holes for front trunnion. For use with MOST 1mm AKM-47 I wanted a tool that I could do both(2) operations, 3 if you have to mill a flat, and have the holes line up perfect every time. Overlay the sticky on the stub and rub the outline of the receiver, the lock inletting and a rivet hole etc. If we don't study the mistakes of the future, we're doomed to repeat them for the first time. This template is designed to be glued with either "spray mount" or glue stick to an IBE Bent metal or ACE Arms 80% receiver. 0. 5mm and 3mm holes for the fire control group. 65mm holes for the trigger guard, a 3mm hole for the safety/selector lever, and 4. The stop pin for the front of the trigger opening is the key to getting it aligned in the fixture. I cut the holes in a NDS receiver yesterday for an M-92 underfolder. At first, I relied on trying to accurately measure and center punch for all the holes. #6 screw diameter is about . I bought the receiver blank drilling fixture and the trunnion hole drilling fixture from AK-Builder. Keeps the fit nice and tight. For use with MOST 1mm AKM-47 AK-47 Lower Receiver Blank Build Tutorial. nothing worse than screwing up a 100% receiver drilling holes wrong. As you can see in the photos I took there is a slice/cut exposing the rivet hole. Finish 80% AKM/AKS receivers with precision using our AK drill jig set. For use with MOST 1mm AKM-47 I have done 4 virgin builds so far and have used the drill bits the AKBUILDER sells. I’m doing a screw build and I had to buy #11 sized drill bits to make the hole large enough for the screw to Home / Receiver Blanks & Tools / Heat Treated AK-Builder AK-47 7. Go slow In case any other AK builders are interested. Next post, Rails. Buying it just to drill holes in an AK receiver is definitely overkill, but if you're a tinkerer you'll find a lot of uses for it. I thought that I had both the receiver and trunnion pressed flush against the vertical block that holds the Childers Guns - FCG Drill Bit SetThis set of Cobalt drill bits will allow you to drill . Overall these receivers are not too bad at all if you know how to adjust them. 500 thousands or 1/2 inch, I am sure the practice of drilling 2 sets of holes for a scope mount is common, I believe it is a bad practice, I would install (pointed) pins in the missaligned holes to use for indexing holes for the base or The trigger guard requires a bit more finesse and longer drill bits, but with some careful drilling it can be removed the same way. All that's left to do is drill out the fire control group using our Other platforms have different conversions and there are ways to have an AR or AK machine gun without the additional holes but that's outside the scope of this post. 70 a piece. Start by clamping the front trunnion securely and using a drill press to carefully drill the hole at the specified location and depth, ensuring it aligns accurately with the corresponding hole in the The correct heat treating on AK receivers is between 38-40 on the Rockwell C scale. They are fairly hard, but will also give in case the receiver wants to turn. Insert the trunnion and tighten the knob so it can’t move. It may take a lot of hammering, so watch out. The AK-74 short rivets on Getting the holes perfectly lined up with the embossments on a 1mm receiver will require measuring your own receiver. are . That drawing is good enough, BUT: I have just encountered some 80% receivers where the mag well was out of spec. When drilling my holes, I get part way in, and the drill bit takes a dump. 62 and the blue fits the 5. The only tool/jig that I would suggest is the one for FCG and selector, but you could measure and drill. 125, that is 1/8 of an inch, 4 holes in the front top receiver ring could total . 5mm receivers. Save Share Reply Quote Like. 7. It definitely looks like a good design that will make it significantly easier to accurately drill rivet holes. The 1/4" bushing allows me to drill through the receiver and spot face trunnions that have the step running through where the hole would be drilled. That's not a complaint btw. a . 62 No need to tamper with the intact stub at all. 9mm and 3. Then they mostly went back to stamped receivers. Hello and good morning I was wondering doing a build and the trigger guard hole for the mag catch is not drill and wondering if anyone has the measurements or blueprint on where to drill the hole. Bend the flat Tap trigger pin hole on non-op side since it will be slightly elongated, but will be reamed to size Remove flat from jig Drill op-side hammer pin hole with 3/16 drill or even a 5/32 then ream to 5mm. Extra drill bit sets are availible as an option, All thats left to do is drill out the fire control group using our receiver blank drilling fixture and drill the trunnion holes using our trunnion hole drilling fixture. Feedback: 54 / 0 / 0. Joined Mar 11, 2012 Messages 13,066 Likes 19,989. I like to use an automatic center punch so I can focus on where I want to make the divot for drilling vs. Drill Bits Included: 5/32", 7/32", 5mm, 7mm, 10mm. Has anyone tried using a T. The front latch square hole is laid out with a pencil on the receiver (use the print or the old receiver stub for the Cutting holes in a virgin underfolder trunnion is a PIA. This unit accurately locates all of the drilling holes as well as I plan on using a 3mm end mill in my mill to drill the pin holes. Mount your front or You can make the trigger hole by drilling two 5/16" holes and removing the metal between the holes with your Dremel tool. Drill slow. AK Trunnion Rivet Hole Drilling Fixture $ 99. Drilling and doing the holes by hand is the only The Childers Fire Control Group (FCG) Drill Jig is designed to hold blanks for precise, repeatable drilling of all FCG holes. The only thing you have to watch out for is the front-back alignment, since you have to move a stop pin for different receivers. If you have bought our receiver blank drilling fixture you can see the new side plates that are made to drill the holes in these blanks. Park both receiver and barrel. Reply reply New Frontier Armory's M-16 Drilling Jig is made for properly aligning and drilling the third hole for a full auto sear in an AR-15 style lower receiver. I would use a 5/32 hole that’s . My friend has a N-PAP also and his has a vented gas tube, when shooting we removed are dust covers and noticed that his was far more cleaner than mine using the same ammo Red Armory Standard. And yeah, I am OCD about this and I just hate The dremel is your friend. Come join the discussion about optics, builds, gunsmithing, styles, reviews, accessories The rear trunnion in this kit was previously damaged by someone when it was demilled. Simply weld in your bolt guide rails, drill and There are several types of receivers to build an AK with Stamped sheet metal receivers> ($25-$200) Flat - a sheet steel flat piece with some prefab work done but requires bending, spot welding rails, drilling holes and spot or full heat treat. NEW Polish Underfolder PKMS Bent Receiver Blanks - 80% Complete. There are more holes that need to be drilled for rivets, but not quite yet. Theoretically, you could knock that rivet out, and drop in a F Use a cut off drywall screw and your press along with a metal spacer with a slightly oversize countrsunk hole drilled in it (spacer is inserted into receiver to keep the receiver from Using a hydraulic press is not recommended for riveting an AK-47 receiver, as it may apply excessive force, which can damage or deform the components. The stop pin for the front of the trigger opening is the Using a ITM receiver and probably should have heat treated the holes after I drilled them,but that's hindsight. A fellow showed me the PostIt We’re continuing our DIY AKS-74U Krink Build today by riveting in the Trigger guard and starting the process for installing the Front Trunion, which in this article, includes I'm certain the $65 (+s/h) drilling fixture is worth every nickel but this worked for me. Use copious amount of cutting oil and good drill bits. Just like our Polish Underfolder 7. Next I use 7mm drill then 7mm reamer and install original pin. Make sure its not a mistake in the placement of hole in receiver shell I would guess it would be odd that factory trunion hole would be off. Basically, I drilled the bottom holes per the jig, and milled about 1mm off the rear edge of the mag well for clearance. Catch the harbor freight 24" bolt cutters on sale and cut your own for less than pre-made jaws. I spoke recently with a legal expert who clarified that the reason is that while drilling a hole is not considered "readily modified", dropping in parts that rely on such a hole is, and any gun that can have the parts dropped in and fire FA is, legally, an MG. Ak builder has I've had some that were so hard it took me an hour to drill the trunnion holes. The barrel hole starts fine too. Come join the discussion about optics, builds, gunsmithing, styles, reviews, accessories It's even more accurate to use the AKB jig (I assume it's this one: AK Trunnion Rivet Hole Drilling Fixture). Childers Guns - FCG Drill Bit SetThis set of Cobalt drill bits will allow you to drill . C. 11th air assault div 63 65 1st bn abn 8th cav 1st cav vietnam 65 66 11th special forces group 70-74 major sks and ak collector ammunition collector I then center punch all of the holes to make drilling easier. Reply. This jig has two different bushing sizes. In some cases the front trunnion rivet holes may not line up do to how the factories drilled the holes in the trunnions. All that's left to do is drill out the fire control group using our receiver blank drilling fixture. A forum community dedicated Well how do you restrict the gas port then?? I mainly was asking about the vent holes reducing how dirty the BCG & receiver area gets. Some need trigger guard holes drilled as well. For a brand new front trunnion with no holes, properly locate the barrel pin hole and pre-drill it perfectly straight through both sides will help. This complete jig assembly is designed specifically for the 80% AK 47 / AK 74 pre-bent receivers commercially available to Type 07 FFL/Class 2 SOT's. never tried the front trunion, but I plug welded ( TIG ) this rear block in a pistol receiver , I got this and another receiver in a trade where someone had oversized the trunion holes, the fronts were ok on this and still in the trunion, but I have a NDS-2 that I plan to fill up and grind soothe, I have a peice of 1/4 inch copper plate about 1 x 1 to use as a backer Drill the trunnion holes yourself , save yourself the BS of trying to match up receiver/trunnion holes. 62×39 Structural Rivets. When drilling the holes in the sides, I moved the drill jig forward to align with X-Y. Reserve your AK receiver blanks, parts, tooling, ect. , with some prefab cuts done, can Finish drilling receiver holes. The robert forbus print posted is better imho. Save Share A forum community dedicated to AK rifle and AK variant rifle owners and enthusiasts. One of those holes is marked “AK BUILDER” and As far as drilling barrel pin holes I use a 7mm gauge pin to center the barrel pin hole I use a V-block to grip the barrel put a jack screw underneath the trunnion or receiver to AK Receivers - FFL + AK Blanks - NON FFL + AK Parts. The fourth hole is for the selector, that needs to be drilled out to 5mm. the rivets are from ak-builder. Product Search The Class II drill fixture is a drilling template made of machined steel that Drilling the holes in the receiver for the rear trunnionA Full 1 hour and 40 minute DVD of all of the videos can be ordered by sending mail to vetteenthusias Currently I also have a complete 80% AR jig/assembly system, an AR conversion jig, an 80% AR receiver tester, as well as an AK-47/74 Class II jig for the 80% pre-bent and heat treated I drill first with 17/64 drill carbide and use plenty of cutting oil also clean out hole allot as you drill. After that I chuck a 3mm reamer in my dremel tool and shape the receiver hole so it exactly matches the trunnion hole. The design calls for 5/32 drill bit to drill the front receiver holes. i contacted Cameron at childers guns. NES Member. 4) Slip the receiver over the trunnion again and drill through again You're Done :dance: Also, do the Czechpoint Vz58 receivers have a little dimple that tells you where to drill the hole for the barrel pin, or is that only on the ORF receivers? And lastly, what size barrel hole did the Czechpoint guys make on the receivers? I opted for the smaller sized hole on my ORF receiver, but i'm wondering what size the Czechpoint receivers I am continuing to work on my build and the only thing left I have to do is drill the front trunnion holes. 11th air assault Check out the deal on Semi Auto AK AKM to AK-47 Class II Drilling Fixture at FTF Industries. 156 it will be a little bigger when drilled. When drilling the barrel pin hole in an AK-47 front trunnion, it is essential to follow the correct procedure for precise and secure assembly. Otherwise if you’re doing your receiver shell holes for the trunnion I would either mark them out with calipers and scribe or yeah use the AKB jig. 3rd Heat Treat Ejector tip and Axis Pin Holes ? I wanted a receiver for my Russian kit. Learn how to safely and effectively drill the rifles receiver with a drill press, avoiding common mistakes. I understand that they're made undersized so they could be fit to a pre-drilled receiver. Canndo Wingmaster. Don’t mess with filing out the holes. you can use calipers and measure out the holes. 9mm drill bit since they were only like ~$1. I wish I needed up removing the stoppage pin and instead stuck a drill bit through the predrilled handguard hole and it held it in place enough to drill out one of the 7mm holes. The stop pin for the front of the trigger opening is Here is a professional tool for drilling the front and rear trunnion holes in AK47 receivers. 0 Home / Receiver Blanks & Tools / Heat Treated AK-Builder AK-47 7. I know there are the AKBuilder jigs, but I figured it would be much less expensive just to design some and print them myself. But The barrel is fitted to the trunnion which has previously been riveted to the receiver. When I do another build I will certainly purchase the fixture thoug Drills Hammer Pin, Trigger Pin, Selector Lever, Center Support & Trigger Guard Holes. 1st, Spot Weld un-heat treated lower rails to un-heat treated receiver. russian markings,selector notches,custom serial number,and front and rear trunnion holes drilled. I used an original barrel that I bought in a bunch of other parts some time ago. These have the holes in the bottom of the However, the Tortort milled receiver will have 4 rivet holes to attach the trigger guard, where an original Chinese only has two. You would have to modify either the trigger guard or the receiver, by welding over the 4 If you’re just drilling the trunnion holes out and not the receiver she’ll itself I would just hold the trunnion in your hand after you pressed your barrel out and just drill it out to size. After drilling the holes, you need to machine the receiver to create the necessary features. There’s measurements online on the center of I decided to use my new AK-Builder Trunnion Rivet Hole Drilling Fixture. wanted the serial number to match the receiver,all matching kit. Shell - A bent sheet steel piece which is the basic finished shape. Milling 85% of a block of steel away to create a receiver is a waste of time and money. 200 hole is way too big to use. These templates are typically made from high-quality materials, such as steel or aluminum, and feature precisely machined holes and markings to guide your drill bits. Also you need whatever your drilling with. 45 trunnions using two different expanding mandrels I was wanting to fill the hole and re-drill in the correct location. I will then attach the front trunion to the receiver by using the screws. You should measure from the front vs the back for the fcg holes. As you can see, a welded hole is a lot less "readily convertible" than a riveted hole. G welder and just plug welding the holes without having to take the whole Enhance the precision of your AK building projects with the AK Blank Drill Jig 2. k. 1. The jig aligns the holes for the fire control group (trigger and hammer pins), center support rivet, safety selector lever, and both the front Most 80%, you only have to drill for hammer, trigger, safety holes and some trunnion holes. 74llc makes great receivers,but I did not want to wait a year. If you had to pound the rivet into the hole with a hammer then take it back out and run a drill bit through. I. . , old receiver cover lock hole is where the upper rear rivet is now +/- IIRC. Rails do NOT have the auto sear cutout. A fixture is the absolutely best way to go IMO, whether you use a drill press or a mill. Yes, on several of my first builds, stamped receivers. It is designed to mark the locations of holes to be drilled, slots, or trimming for certain stocks. Trunnion holes were off-center, center support rivet was crooked, fcg holes wrong. I *think* the screw is to help level the receiver when doing the rear, I've never used that. Drills Hammer Pin, Trigger Pin, Selector Lever, Center Support & Trigger Guard Holes. 62 trunnions. Use a milling machine or a lathe to create the bolt track They said "ANY AK could be made full auto very easily, but the fact it is not was all they were concerned with" The MAK90s in question came into the US with the holes in the receiver (no taping back together needed), they just had a rivet through the auto safety sear, axis hole. These jigs are reusable and work on our AK blanks for drilling the FCG holes, keeping your bit aligned while drilling to ensure high accuracy and ease of use. The unique fixture uses expanding inserts to press the receiver walls against the inside of the jig to ensure clean and accurate machine cuts by Speaking as an aircraft mechanic who has installed a few zillion rivets, in aluminum it would be a problem but with the heavy steel of an AKM reciever, like GTPI said above, as you form the rivet it will most likely fill in the shape of the receiver hole and if bucked properly the head of the rivet will have enough metal contact to give you a nice long life. From marking the receiver to drilling out all the holes it took me around 30 minutes, at a nice leisurely pace. The same heat treating process has been employed on all NDS AK and RPK receiver It's well known that the BATF considers drilling the evil third hole to be conversion to a machine gun. 3) Remove the receiver and line the drill bit up with the next hole. I added a small hole at the rear (near the buffer 1) Clamp the rear trunnion in the drill press vice then line up the drill bit with the hole. The front and rear trunnion holes on these flats are pre-punched to help with the installation of the trunnions. Then lay it on the receiver using the reference points you outlined and center mark the receiver and pilot drill the hole. I use to drill the cross pin holes on the drill press but never had AR-15 80% receiver jig AR PRO with full auto. Thanks for the info. However the holes in the trunnion are 0. Military Gun Guy I saw a video on you tube where s guy used a 1/4" drill bit the bevel the receiver holes for the swell necks. Come join the discussion about optics, builds, gunsmithing, styles, reviews, accessories, classifieds, and more! For $215, the AK Starter Kit includes the fixture, tooling, and code necessary to begin finishing out pre-folded 80% AK-47 and AK-74 steel receiver blanks ($89. I’d recommend an X-Y table on your drill if you plan to do this much but at least have a drill press. because you don’t want this to be off when you drill the holes in your receiver for well then just have them drill the front. get a center punch for all the cross hairs and drill your pilot holes and ork your way to correct size. 8 ### Print Settings Up the temps ~10 degrees and increase your extrusion so the layers bond well together. This item is made in the United States and counts as This compact AR 15 jig assembly is designed specifically for 80% mil. . They fit tight into 5/32 holes that I made elsewhere, and they do not go into these 0. AK-12 Receiver Options are Availible! If you haven't heard, AK-12 Receiver options are now available! On any Polish or US 74 we now have AK-12 angled AK-BUILDER Receiver Blank Drilling Fixture. I can fully heat treat AK receivers for people but they need to have manufacturers markings and a S/N for my log book. Locating the holes in a receiver is always a problem. 2nd, Drill Axis pin holes & Center Support holes, in the Ak-Builder Receiver. Except for the trigger holes, I've used all fractional and wire drill sizes on every AK I've built without issue. The red mandrel fits the 7. 5/32 drill for front trunnion holes, 3/16 or #9 drill for long rivets and RSB, #32 drill for pinning components to barrel. Thanks to the AK-47's largely unstandardized design, adding a receiver is more complicated than one might think. Remember the depth should include the receiver too. here it is locked into the receiver and fit to trunnion/receiver. Show more replies. 11th air assault div 63 65 1st bn abn 8th cav 1st cav vietnam 65 66 11th special forces group 70-74 major sks and ak collector ammunition collector Edit: This bit worked great. You can also buy an extra bottom plate for use with 1. Some people even use a fixture and a power drill, and if you're steady enough you can probably drill nice holes that way as well. Another thing to watch out for is to keep the rivet head flush up against the receiver. The jigs seem to work pretty well, while being much cheaper than the ones you can buy off the shelf. I have to have some way to log them. I made a template out of the receiver piece that was left on the trunnion. Line it up with the drill press, slip the receiver over it and drill. Yes, you will typically need to drill into specific holes or sections of the trunnion, as indicated by the manufacturer’s instructions or the specific AK-47 build guide you are I made some 3D printable Jigs to make drilling the holes for the front trunnion and rear trunnion on my RPK build easier. I put it in the cross slide vice on my drill press. Someone please stop me if I am wrong. receivers that are to end up with the M16 fire control pocket/cavity (which almost all end-users prefer currently) for Quoted: Hey, guys I am a type07/SOT2 and am glad to give the digits necessary for quick check through the ATF if needed. Once you have located Drilling the main barrel pin hole on a new AK barrel Jump to Latest 26K views 9 replies 6 participants last post by AbueloMark May 28, 2012 The M-16 Third Hole Drilling Jig is made for properly aligning and drilling the third hole for a full auto sear in an AR-15 style lower receiver. Military Gun Guy Put something inside the receiver to keep it from flexing on you and drill the hole with a 4mm or something to start it. Reactions: elk-1 and Khyber Machinist. Drill small holes and open accordingly with Dremel or small files. Send off to be built and test fire when you get it. What type of rivets are used in an AK-47 receiver? The most commonly used rivets for AK-47 receivers are “AK-47 7. That said I building a post 86 demo m4a1 the mill work is complete, how ever I have conflicting measurements for auto sear pin hole placement one source states 1/8" the other 5/32". , "stacked" for proper fitment of the gas tube, receiver cover, furniture etc. AK-47 Tips/Tricks, Links, Content and Buyer Guides. AK-BUILDER Receiver Blank Drilling Fixture. spec. The problem with building an AK is the build tools will cost you more than the a complete gun. 62x39 Please note that this method of building is one builder's technique (and a very efficient one at that). Degrease and paint parked pieces. trying to keep Just like our fixed stock 7. Cutting the front latch opening in the receiver and the pivot pin on the bottom, drilling the trunnion and accounting for any ledge interference on some trunnions and installing the Anybody know of an AK-47 receiver drilling template? one you could print off and wrap around a bent receiver blank and start drilling? Looking for something to play with over the winter . I did chip a corner of the bit after two holes in a hardened receiver, but both holes I just bought a AK-Builder Trunnion Rivet Hole Drilling Fixture like this one. This size allows for the proper installation and alignment of the trunnion. For use with MOST 1mm AK-74 kits. Myself, I use my calipers and measure the horizontal distance from the rear of the trunnion (not including the tang), to the two rivet holes, then measure the vertical distance from the top groove in the trunnion down to the rivet holes. It holds the receiver exactly where the holes need to go, and it will guide the drill bit and prevent wobbling and other problems. That is the surface most all manufacturers use as a reference point. The square hole is done with drilling, the carbide bur, and a file, same method as the large holes. But those definition interpretations can change depending on who is doing the interpreting. And the FCG holes need to be drilled undersize then reamed to the proper size of 5mm & 7mm. what’s the best way everyone has found to locate and drill the FCG holes? this is for a 1. I hope I never have to do it again. ACE Arms has put their AK-47 receiver template showing where to drill holes and magwell openings. I'm Joe Biden, and I forgot this message. It’s the cat’s ass for drilling rivet locations. Building From an AK-47 Bent Blank By: Silver Dollar a. PM me if you want them. First off the AK does not have a lower, that's called an 80% blank receiver. ** 8 perimeters ** If you print this thing with 2 outside perimeters it will probably crumble. The drill hole is reinforced with a steel drill bushing to prevent wear and be able to use the jig Grind most of the head off so you have a nice flat surface. ” My best tip is start small. Both unfinished and finished receivers will need rivet holes drilled for the trunnions. In the future, get this jig from Curtis. # AK Receiver Flat Bending Jig/Die ## REV 1. Mount the trunnion in the jig, center on the hole, slip the receiver onto the trunnion and drill. 95. a. Bar stock ground down to 15/16" so it can be fit inside the magazine trunnion in-between two rivets. All you need is your receiver and trunnion, some masking tape and a center punch. 1/4" and 5/32". Try and take out as much barrel material as possible, so when you use the 7mm reamer it won't take off too much trunnion material to call for a bigger pin. Drill and ream slowly with good tools to keep burrs to a minimum This traditional AK side rail is attached by drilling holes in the receiver and then using rivets thru these holes to permanently attach the side rail. All thats left to do is drill out the fire control group using our receiver blank drilling fixture and drill the trunnion holes using our trunnion hole drilling fixture. When I used it on the AoA receiver, I moved the 4) Drilling this location would require technical information (dimensions) to get right 5) The process requires some knowledge and skill to temper the hole correctly after drilling. All NDS model AK and RPK receivers are fully heat treated. com receiver flats. I know there are several versions of UF stock, but I use Romy stock/Romy With an AKB receiver, with the pin in the AKB hole, it lines up perfect, as far as centering the X, Y, and lining up with the TG holes. 2) Slip the receiver over the trunnion and drill all the way through. (Just as if you had a used, take-off parts kit trunnion) As above, install the trunnion into the receiver, rivet, then install the repaired barrel as normal. Find the center of the rivet Double check the drilling depth before drilling the receiver and trunnion rivet holes. l ak receiver drilling jig 3d models . Move your drill table around See more What are the appropriate sizes of drill bits to use for the various holes in an AK pattern receiver such as a No-Dak for the front & rear trunnion rivets and side optic rails? I know cobalt or carbide bits are preferred for good This video shows you how to use the AK Builder trunnion hole drill guide for locating and drilling front holes on your AK receiver. A forum community dedicated to AK rifle and AK variant rifle owners and enthusiasts. However if one is not willing to permanently alter their AK’s receiver from factory condition or there is no AK trained gunsmith close by, then our retro fit, “no-mod” side rail is the About Press Copyright Contact us Creators Advertise Developers Terms Privacy Policy & Safety How YouTube works Test new features NFL Sunday Ticket Press Copyright Ok, this is my game plan for tomorrow. I built a underfolder AK-74 using a regular full stock receiver. Reply reply But even without the auto sear drilling the third hole makes the receiver a machine gun, so unless you're an FFL SOT that's now an unregistered illegal machine gun. Every hole on every build I just drill and have clean, straight holes. Then you can drill a little up for the pin head in the receiver and I use a t-handle reamer to finish by hand on that part. Protect the receiver with tape from hammering. I am sure Recreator does a fine job locating holes and 100% they leave holes small but trunnion holes can be a crapshoot , more rear trunnion than front in my experience. Once that centering mark is made, I change to a smaller drill bit, and drill it through. 95) on your Ghost Gunner 3 CNC mill. 2. Back before I had the AK-Builder trunnion drilling jig, I needed a quick and easy way to locate where to drill the holes for the front trunnion. A forum community dedicated to AK rifle and AK variant rifle owners All holes can be drilled without having to reconfigure the jig. Unfortunately I bought the pre-made jaws for short rivets. Once you grind them, you should be able to see how far off center you were. If I recall, 5/32” is what you need. drill as large a hole you can without hitting the receiver. 150s holes, so Home / Receiver Blanks & Tools / Heat Treated AK-Builder AK-47 7. I figured I could start with thoes and follow with 3mm and 4mm if needed. I have got the gun just about done but looks like where the center support is the receiver is bolt in and the bolt Once I get the right-hand side holes opened up for the selector, I just drill straight down through the receiver to make a centering mark on the inside of the receiver's left-hand side. Dec 8, 2012 AK-Builder Receiver Flat Instructions Material 4130 Chromemoly Annealed Steel on rails and flat These flats were designed to be bent and assembled like a manufacturer was trying to make a receiver With that in mind the problems associated with pre-drilled holes in rails and holes too close to a Some people say to use a certain size drill AK-BUILDER Receiver Blank Drilling Fixture This tool is designed to be used with 80% receivers with OR without rails and center supports CODE: T2-11 Availability Here is a professional tool for drilling the front and rear trunnion In summary, the standard metric drilling sizes for an AK47 receiver include 10mm holes for the rear trunnion and front trunnion, 6. Build Parts; Barrels; Muzzle Devices; Furniture; 922r Compliance + the center support hole is not 1/4" like all the other holes, as I just use a Romanian underfolder rear trunnion and mark the new receiver, transferring the hole locations very carefully, then drill, demel, etc. The drill hole is reinforced with a steel drill bushing to prevent wear and be able to use the jig Quick outline of using the new ak-builder. It worked like a charm. Drilling the fcg holes when building from a flat. This complete AR 15 jig system is designed specifically for 80% mil. Sent from my iPhone using Tapatalk . 3. support the receiver the best you can and hammer out the rivets with a punch. Im thinking about drilling and tapping the trunion holes as I would for a regular screw build, then drilling a few extra 1/4 inch holes on the receiver to line up with the front trunion. This unit accurately locates all fire Layout guides to locate holes for your AK builds. Check for center location and work from there. Securely mount the fixture to your drill press. That goes when drilling most holes. Drilling the front trunnion holes in the receiverA Full 1 hour and 40 minute DVD of all of the videos can be ordered by sending mail to vetteenthusiast at gm Support the trunnion with a vice. I just kept sticking AK-BUILDER Receiver Blank Drilling Fixture. Then the RSB, Gas Block and Front sight block are installed. Receiver flat try grinding the rivets off flush with the inside of the receiver. 62x39 With Trunnion Holes 1mm Non FFL Receiver Blank. he is the only game in What i prefer to do is to have the front trunnion riveted into the receiver and nothing else on the receiver yet. Every other hole was either there or the jig showed me where to drill so it was a just a matter of aligning the jig correctly. Made from 1008 steel, powder coated red. 6. Then I tack weld the receiver to the trunion and remove the screws. Drill bit will take the path of least resistance your more likely to egg the barrel pin hole an end mill will drill right on. Discover the 5 easy steps to drill an AK 47 receiver with precision and accuracy. Select an option. Not sure if his bits are just good quality or what. It appears as if they drilled through the upper parts of the trunnion (Where the recoil spring latch rests) while drilling out the top most rivet. Be sure to double check all measurements before drilling. 45 trunnions using two different expanding mandrels that fit into the trunnion. Simply weld in your bolt guide rails, drill and install the center support, use our V5 drilling fixture to drill the fire control Not having the FCG holes should make it not meet the definition of a firearm. This tool simplifies the process of creating accurate and consistent holes in your AK receiver blank, It's basically you make your own template. Using this fixture is about as easy as it gets but you must have a drill press. Compatable with Pistol Grip Reinforcement Plate ; You can use a mill, drill press, hand drill, etc drilling each hole from each side. Start undersized to also the stock is clamped to the receiver and the hole locations marked with pencil, i ran the pencil around the stock arm holes. Use a center drill if you can to begin the hole and drill the pin diameter. Above: 1. hqnyrjfjxzreajnktxqdsultvzwkaftwtyrnpghnhzlrhdmpipigo