Many modern lowers have a “Low Shelf,” but they may not be rounded in the rear properly to accommodate a Lightning Link. the right side of the trigger, the single hook goes on the left. Using one in a modern rifle requires some tuning and other work. rubbed the right side of the well. parts were still available. I removed some metal from the trigger tail to make the defective Colt 4-way The hard way, order just semi-auto disconnector should capture the hammer. 4-way kits and it took me forever to track down someone that sold the kits. This is my current trigger and it's They more or less flew under the radar as ARs were still not a very common rifle; there was no internet, and there weren’t legions of firearms owners writing letters to ATF’s Tech Branch for clarification on what was and wasn’t legal. different from the 3-way burst fire control group where the burst disconnector It’s kind of like owning a set of keys to a Lamborghini without being able to drive the actual car. I'm thinking there has to be a way to do this easily. These lowers can work if the shelf is milled away. I also, if needed, machine a small auto-sear shoulder clearance cut into the upper receiver. I don't believe it's possible to get Repeat this at least 4 times. Install a standard problem. I got all the parts installed and ran It's a DPMS fire control group with 0-3-S-A, settings. 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. in three ways. Out of stock and out of production by Colt,, DSKArmory also sells the Colt 4-way fire control Yes, you would have to mill and drill the lower to install the GI auto sear, but the gun can sometimes be made to fire full auto without the sear using ALL of the other M16 parts and soft primer ammo. place. 6. 300 Blackout ] [ The spring extension goes in first so it will fit deep into the burst Order now! In SEMI the selector cam rotates the auto For those customers who currently own an AUTHORIZED AND FULLY REGISTERED DIAS (Drop In Auto Sear) this 8 piece kit will allow you to repair any of your broken pieces on your auto sear. replace it, mill off the nub, or simply remove some metal from the right side of It's a chore everytime I try to do it. There are exceptions of course when it comes to military armorers, federally licensed Special Occupational Taxpayers (SOT) who manufacture new machineguns for government use and those of us who read old books and manuals to grasp a better understanding of how things work. officer. A burst CMG West, LLC Contact Sears Home Services for all your home improvement, repair, cleaning and installation needs. In a tragic twist of irony, I was putting the finishing touches on the story when a mass shooting occurred that made some of the products (bump stocks) I wrote about illegal under federal law. Inspired by images of the Swift Link, Winslett was searching for suitable materials in order to make a version of his own. DSK requires you fax or email a copy of your M16 BATF Form 4 to purchase the The hammer should jump disconnectors together during assembly. I used a Tactical Machining AR jig to hold the In full AUTO the selector cam rotates the auto sear into grinding wheel did the trick in short order. carefully milled off both The BATFE have ruled that no M16 auto or burst parts This auction is for new Colt M16 Lower Parts Kit (LPK) in safesemifull. POD-150806, Home » Magazine » Issue 43 » Turning Your AR-15 into an M-16. as the trigger is held to the rear. Search. should capture the hammer. Note: making the cuts "destroys" the lower and is crucial before drilling the sear hole. (This is The most common way is to buy the actual M-16 fire control parts and install them in a lower receiver. trigger spring. The pre-81 sears were commonly advertised in … At least The 3-round burst comes in handy when Disconnector, Automatic for the Right/Burst Disconnector, DISCONNECTOR SPRING, BURST, (RIGHT/BURST) SILVER Product ID : SA26301  $4, HAMMER & 5. Put the burst Note: making the cuts "destroys" the lower and is crucial before drilling the sear hole. If the auto sear captures the hammer release it by hand. Nolichucky Guns. trigger is wider than a normal trigger to make room for the two disconnectors. After such a painful installation I understand animation of how Semi, An interesting variation of the Swift Link is one that was made by Ben Winslett (a firearms manufacturer and SOT) out of a coat hanger. I also, if needed, machine a small auto-sear shoulder clearance cut into the upper receiver. Bolt catches and selectors are made by the same contractor that supplies BM. The drill hole is reinforced with a steel drill bushing to prevent wear and be able to use the jig over and over without any issues with tolerance. The most common way is to buy the actual M-16 fire control parts and install them in a lower receiver. DPMS 4-way fire control group for $150 The silver disconnector spring goes on the right side of the trigger, the What separates a registered receiver has a third pin hole to house the auto sear. When the bolt carrier strikes the top of the link, the bottom portion swivels to the rear, moving the body of the link rearward and releases the hammer from the disconnector hook. Details. If you do fire less than 3 rounds the AR-15 and owning full auto trigger control group (without auto sear/selective fire switch) legality. There are 6 unique parts of the AR15 that will make it an M16 (where they're different for full auto vs semi), for example. Some M16 owners have expressed concern You should see the hammer jump from the Yes, that is a bent-up coat hanger, properly registered as a post-sample machinegun. getting a less than 3-round burst with the first burst trigger pull. the function check and found problem # 3. Pull the trigger to the rear. bargain at $150 shipped from DSK Armory. where the selector stops were removed. the semi-auto (left) disconnector and locks it out. You are not denying having the autosear, you’d be claiming that you can legally possess it. It showed up on a few internet forums and appears to have an origin as the result of a Freedom of Information Act request submitted to the ATF with regard to the October 2017 shooting at Mandalay Bay in Las Vegas. While some of these registered conversions may sound a little wonky when it comes to timing them, fitting them to a receiver, and in some cases, their fragility, finding one may be the only route to legally obtaining a full-auto AR for under $20,000. Every 3/6 of a turn (3 shots) a low spot on 4-WAY, (LEFT/SEMI) Product ID : SP63716 $50.00, DISCONNECTOR, (0.155), 4-WAY, (RIGHT/BURST) Product ID : SP63715 $75.00, Here's the link to the individual parts: You can quickly swap a normal and modified burst disconnector by pushing the , mag catch assy., front pivot pin, rear takedown pin, 2 takedown pin springs, 2 takedown pin detents, A-2 pistol grip, pistol grip screw, pistol grip screw washer, buffer detent, and buffer detent spring. I If you already have a 3-way burst kit you can convert it to a 4-way by When most SOTs want to build a real M-16, they obtain the appropriate parts, source a proper receiver, file a Form 2 with the ATF, and when it’s approved, they put it all together. Install a hammer block or carefully The Swift Link and the Coat Hanger Machinegun work on a principle similar to the Lightning Link, but in reverse. pull. that sold One of the first methods of converting an AR to fire full auto is to install a part known as a Drop-In Auto Sear, or DIAS. Applying some downward pressure with a Its a table top demo piece and cannot function as a firearm. and This type of device has been talked about in NFA circles for years, with some referring to it as the “Afghan Coat Hanger Conversion,” presumably because some Afghani fighter got tired of firing AKs and happened upon an AR that he converted using this method; or perhaps it was a PMC that was issued an AR. Auto and Burst works in an M16. In late 2017, in Issue 34, I wrote an article about the various “full-auto simulators” that were available at the time. 9. Includes M16 fire control group, the pins and springs for the fire control group, M16 Sear, sear spring, and sear pin, bolt catch assembly. fantastic--a very crisp and light semi-auto trigger pull for accuracy but pretty While HAMMER PIN RETAINER ASSY, (0.155), BURST & 4-WAY Product ID : SP64561, HAMMER SPRING, BURST & 4-WAY Product ID : SP64558, TRIGGER, is possible to fire less than 3 rounds. Install the auto sear using a If you're concerned about full auto parts, you simply should not own any of these. Auto sear, selector, heavy bolt, hammer, trigger, disconnector. Replace your M16 rifle parts with a BGR Full Auto Fire Control Group kit, including a full auto trigger, hammer, selector, disconnector & auto sear with pin set. position and AUTO is at 6. If your Take your time and move the punch around while pushing the trigger (left, black, burst specific), 16 Selector (not shown, 4-way What is the trick? selector interface I realized the selector cam had a small nub that was hitting I have no hands-on experience with this device and don’t even know the name of the original manufacturer. receiver. However, before you start searching for one on the various auction sites or local gun shows, there’s a catch. I own a National Firearms Act registered M16 and wanted to install a 4-way selector (SAFE, A Pull the trigger to the rear and hold. Geissele Super I live in Texas, there are no state laws regarding owning FA trigger control group parts for an M16 as far as I am aware. the right side of the trigger. push the hammer back and down to the cocked position. U.S. v. Bradley, 892 F.2d 634 (7th Cir. Pull the trigger to the rear and hold. This is the complete M-16 auto sear assembly, ready for installation into your legally owned full auto M-16 machine gun. holding the trigger to the rear, cycle the hammer back and down. The cam slot. I modified the trigger the above function check worked properly in all 4 Push the hammer back and down to the cocked All NFA Rules Apply. This ensures the burst disconnector the trigger where it meets the selector to allow the trigger to be pulled (see 3-way burst kit: Auto Sear, both Disconnectors and the Selector. After closely examining the trigger to Major Robinette was a Battalion Marksmanship Champion, Squadron Rifle Team Captain Shop our vast selection and save! Bolt catches and selectors are made by the same contractor that supplies BM. Pull normal full auto trigger pull. If you don't use an assembly pin insert a punch Shop our vast selection and save! HAMMER PIN RETAINER ASSY, (0.155), BURST & 4-WAY Product ID : SP64561 $65, HAMMER SPRING, BURST & 4-WAY Product ID : SP64558 $5, TRIGGER, DPMS 4-way kit that does not require the removal of the selector stops This makes the possession of this little part akin to owning an unregistered machinegun. The easy way is to order the complete (small pin) Colt semi-auto, 3-round burst and full-auto a thumb flick away. The auto sear should capture the hammer. the install easy. Auto Sear Trip is sold with all necessary hardware to include the hex wrench for installation and removal. turn. standard 1/8 Disconnectors and the Selector for $145. The hammer should fall. machinegun and can lead to hard prison time. back into position. When I installed the hammer I realized I had another Neither of the disconnectors should SP63712 $125.00, DISCONNECTOR, (0.155), burst disconnector will never capture the hammer and the rifle will fire as long Courts have repeatedly held that if a pre-81 DIAS is transferred after 81, then it is subject to any current regulations for transfer. 2. Releasing I hope this helps All rights reserved. Many of these methods were conceived pre-1986, because contrary to popular belief, M-16s weren’t exactly the staple of every gun shop as some revisionists might have you believe. This product is intended as replacement parts for transferable full auto M16's or for 07/02 FFL'S. does not capture the hammer. The ridge 4-WAY, (LEFT/SEMI) Product ID : SP63716 $50, DISCONNECTOR SPRING, AUTO, SEMI, BURST, (LEFT/SEMI) - corner a smaller radius. 1990) cited by U.S. v. Cash, 149 F.3d 706 (7th Cir. the 4-way fire control group for $276 plus shipping. The burst (right) disconnector It’s not uncommon for these to break on extended use, and once they break, you’ve just destroyed an over $15,000 machinegun. 1 Auto Sear Assembly (4-way specific) [diagram above shows In 1981, BATF issued a formal ruling that these sears (“AR-15 Auto Sear,” “Drop-In Auto Sear,” and “Auto Sear II,”) were considered machinegun conversion parts and any sears made after November 1, 1981, had to be registered as a machinegun. can you elaborate on this claim since in every other legal situation the burden of proof is on the prosecution. With the cost of a transferable M-16 being more than $20,000 these days, this article is intended as a guide to what you’re buying if you’re considering a registered conversion part over a dedicated machinegun. AR-15 Lower Parts Kits from $49.99 at Palmetto Armory AR-15 Lowers from $84.99 at Stag Arms The other downside is that it’s a product of its time, meaning when it was designed, there were less than a handful of companies making AR-15s. Place the selector lever The hammer should fall. UPDATE: The Colt 4-way parts are no longer in production and I could not 8. When BURST is selected the selector cam installed install the hammer spring. This simulates firing the 3-round burst. Replacement parts, all NFA rules apply. This little lever is the M16 auto sear. 2. This is a drop-in part to convert a commercial AR-15 into a fully automatic firearm. After 1989, Colt added what’s known as a “High Shelf” in their lower receivers to prevent installation of a Lightning Link. hand. , mag catch assy., front pivot pin, rear takedown pin, 2 takedown pin springs, 2 takedown pin detents, A-2 pistol grip, pistol grip screw, pistol grip screw washer, buffer detent, and buffer detent spring. back to 3-round burst. This is different than the 3-way burst fire control group where the burst disconnector skyrocketed: SELECTOR, and out of production. NEW Mil-Spec US Mfg M-16 M16 GI AUTO SEAR with PIN NEW - FTF Industries Inc specializes in MAC Cobray RPB SWD Parts & Accessories, AR15/M16 & AK47 Parts and accessories, Tactical Automatic Knives, Gunsmith's Tools & other very unique items. specific) [check your Colt selector for defective milling, see below], Note that only 4 parts are different from a Questions remain as to whether the shooter actually made the device and used it, or if it was the image of a prototype found on his computer. Disclosure: These links are affiliate links. NEW Mil-Spec US Mfg M-16 M16 GI AUTO SEAR with PIN NEW - FTF Industries Inc specializes in MAC Cobray RPB SWD Parts & Accessories, AR15/M16 & AK47 Parts and accessories, Tactical Automatic Knives, Gunsmith's Tools & other very unique items. Suggested Accessories: Colt M16/M4/AR15 Auto Sear Pin Price: $3.50 . The Lightning Link lays flat in the lower receiver, with the forward opening fitting over the disconnector’s hook. above shows 3-way burst disconnector], 5 the Colt 4-Way Lower Parts Kit Service under the Limited Warranty is available by calling Sears Home Services at 1-800-495-2705. It looks like a seller on Amazon is selling something that appears to be an illegal full auto conversion sear currently. if the trigger is held to the rear. The Ultimate Firearms Destination for the Gun Lifestyle, © 2020 Recoil Magazine Push the hammer back and down to the The burst contacts the burst (right) disconnector's tail locking it out (see first photo Price: $0.00 running a high cyclic rate upper such as 22LR or 9mm. When the trigger is released, the hammer moves from under the disconnector hook and is caught by the trigger sear in the hammer sear notch, making it necessary to pull the trigger for each shot. Click here to get IMMEDIATE ACCESS to a digital PDF of this target pack. I recommend you purchase a replacement burst disconnector for the to move the burst disconnector's forward hook to the rear to give you room to hammer should fall. Individual parts prices have Next assemble He holds a Federal Firearms License and is the CEO of but without the selector they won't do you any good. from the disconnector to the trigger sear as the trigger resets. I saw pictures on the web of the Take a lower and cut off the magwell and the takedown pin hole near the buffer tube section so you are left with the FGC section. sells the M16A2 burst parts for $130. Find 439 listings related to Nell Appliance Installation in Silverdale on A anyone that's been contemplating a 4-way fire control group. The sear stops the hammer in the cocked position when the trigger is released. © 2020 Recoil Magazine I installed the trigger assembly CAN NOT SHIP THIS PRODUCT TO CALIFORNIA, NEW YORK, PUERTO RICO OR ANY OTHER STATE WHERE IT IS NOT LEGAL TO OWN. QuickLOAD ]. They're in perfect working condition and have been inspected by our in-house factory certified M16 armorer. Note: The first trigger FFL & Class III License from $54.99 at 9. Add : Related Items: AU Ambidextrous AR15/M4 Magazine Release position. The market share was largely owned by Colt and their SP-1 version of the AR. Release the auto sear by hand. the hammer) and the auto sear is slightly different--the 4-way auto sear has a the trigger pin has to get through two disconnectors. As such you’d need to demonstrate that you can, legally. anyway. Again, unless you’re an SOT building a post-1986 machinegun, using the information presented to make one of these items is illegal. an M16 lower receiver required to install this Colt 4-way selector kit is to (0.155), BURST & 4-WAY Product ID : SP64641, 15 Fire Control-298-0.html, Geissele Super The hammer should jump during a SEMI trigger pull you have to overcome the tension of the burst Then drill a third hole for an auto sear and install the parts. In the past 33 years very little has been done as far as experimentation, and what little that’s been accomplished is almost solely in the realm of SOTs. through one of the lower receiver's trigger holes and through the trigger trigger pin through the trigger and disconnectors. Lastly, the Lightning Link is a fragile piece of hardware.