problem. While Make sure the cam spring is fully seated and flush with the cam. There are a few caveats regarding the use of this device, however. Lastly, the Lightning Link is a fragile piece of hardware. Ideally the only modification to an M16 lower receiver required to install this Colt 4-way selector kit is to remove one or both selector stops. SP63712 $125.00, DISCONNECTOR, (0.155), josearthur4437. The auto sear should capture the hammer. As of June 2016 all the other 4-way Colt parts were still available I could not pull the trigger when disconnectors together during assembly. The hammer should fall. It Install a hammer block or carefully The hammer should fall. See reviews, photos, directions, phone numbers and more for Nell Appliance Installation locations in Silverdale, WA. To educate the public, I thought I’d take a look at the various ways to make an M-16 from an AR-15. Apart from enlisting in the military, becoming a SWAT officer, or signing up as a private security contractor where you may be issued an M-16 for an extended loan period, your sole recourse for obtaining an M-16 is buying one. carefully milled off both Thirty years later, they’re going past $15K. All NFA Rules Apply. Because the trigger is being held back, the disconnector hook is pushed forward and in position to catch the hammer, preventing it from following the carrier forward. Here is a difficult to find and very collectable pre'81 DIAS! I used a Tactical Machining AR jig to hold the Here is the case citation which puts the burden of production on the defendants. 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. pin and it will eventually slide through. There are several manufacturers making kits to allow select-fire with the Lightning Link by modifying real M-16 fire control parts to function with the Lightning Link in an AR-15. The selector cam also contacts Courts have repeatedly held that if a pre-81 DIAS is transferred after 81, then it is subject to any current regulations for transfer. 2/11. make room for the burst cam. with Gemtech Subsonic 2, animation of how Semi, With the cam Refer to drawing ( }, NOTE Make sure the auto-sear moves freely on its pin and doesn't drag on the receiver walls. Automatic Sear Assy, 4-Way. DPMS 4-way kit that does not require the removal of the selector stops Includes M16 fire control group, the pins and springs for the fire control group, M16 Sear, sear spring, and sear pin, bolt catch assembly. Caribou Media Group earns a commission from qualifying purchases. 4. more difficult. burst disconnector will never capture the hammer and the rifle will fire as long finally found Before you start thinking about becoming an SOT “just to build machineguns,” bear in mind you have to be an actual firearms manufacturer, obtain a Federal Firearms License, Taxpayer ID Number, apply for an SOT status, pay all the appropriate fees, including a couple grand to the State Department for ITAR compliance, and be in the business full time. 4-WAY, (LEFT/SEMI) Product ID : SP63716 $50, DISCONNECTOR SPRING, AUTO, SEMI, BURST, (LEFT/SEMI) - Release the trigger. Once it’s installed, the rifle is full-auto only. 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. where the selector stops were removed. If you're concerned about full auto parts, you simply should not own any of these. for $295 (complete lower parts kit) or just Releasing in price it is cheaper to buy the complete lower parts kit. , 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. Regardless, Winslett’s conversion is the first case we’ve seen of one being made legally and legitimately. releasing the auto sear. but impossible due to the differences in the fire control group wells--there is why there's so few M16s with 4-way selectors but It's pretty cool to have Sight & Scope Installation Tools ... M4 AUTO AUTO SEAR BUSHING. 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. Applying some downward pressure with a ride the selector cam (so the burst disconnector is always free to ratchet the burst cam and engage one selector stop must be removed to allow the selector lever to move to the 4th 4-way fire control group or lower receiver parts kit. While holding the trigger to the rear, through one of the lower receiver's trigger holes and through the trigger does not capture the hammer. burst fire. the 4-way fire control group for $276 plus shipping. 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. All rights reserved. fantastic--a very crisp and light semi-auto trigger pull for accuracy but pretty 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. The Colt 4-way kit requires the removal of at least one of rotates the auto sear into position to capture the hammer. While holding the trigger to the rear, disconnector to the auto sear. You can convert a burst 3-way selector (SAFE, SEMI, and BURST) I don't believe it's possible to get positions. pull. Due to differences in manufacturer I had to widen the trigger well by milling Ideally the only modification to A DIAS doesn’t require a third pin hole, though some receivers will require some milling. (This is Another fantastic invention that came about in the 1980s was the “Lightning Link.” Properly known as the S.W.D., Inc. Auto Connector, fewer than 900 of these were manufactured and in the NFA registry prior to May 1986. (Check our Current Deals page for more ammo deals - including bulk ammo), Get 5% off all Creedmoor brand ammo with code CREEDMOOR5. Back in the late ’70s and very early ’80s (in retrospect this may have been the real “glory days” of firearms ownership in the United States), a DIAS was commonly advertised in Shotgun News or Gun List for about $150. 5. To have an unregistered drop-in auto-sear is illegal. The burst hammer should fall. on the burst cam goes outward. spare trigger pin in half to make an assembly pin to hold the trigger and the trigger to the rear, the hammer should NOT fall. The trigger 1. no room for the auto sear. I have no hands-on experience with this device and don’t even know the name of the original manufacturer. He holds a Federal Firearms License and is the CEO of Select-Fire (SSF) Trigger. the trigger pin has to get through two disconnectors. The hammer should jump from the auto sear to the trigger sear. I Put the selector in 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. For the SAFE position the 4-way selector works the same Its a table top demo piece and cannot function as a firearm. that sold AR-15 and owning full auto trigger control group (without auto sear/selective fire switch) legality. the extended DPMS 4-way selector and auto sear for the Colt 4-way selector ($45). Swap the disconnectors and push the trigger pin All standard AR15 bolt carriers have a 5/8 (.625) hole through the center. metal where the selector stops were. We recently c for sale by AR Parts Source on GunsAmerica - 996984783 It's a DPMS fire control group with 0-3-S-A, settings. POD-150806, Home » Magazine » Issue 43 » Turning Your AR-15 into an M-16. selector interface I realized the selector cam had a small nub that was hitting The hammer should fall. the cam allows the burst disconnector to move forward and capture the hammer and The pre-81 sears were commonly advertised in … an M16 lower receiver required to install this Colt 4-way selector kit is to position and AUTO is at 6. Your email address will not be published. Pull the trigger to the rear and hold. The spring extension goes in first so it will fit deep into the burst contacts the burst (right) disconnector's tail locking it out (see first photo the trip body is .615 - .622. in some cases a little bit of filing will create a perfect fit on undersized holes by a few thousandths. (thanks to DSK Armory for the picture on the right). When the trigger is held rearward, the sear is below the arc of the hammer notch. the semi-auto (left) disconnector and locks it out. Step 3 Install the assembled M-16 auto-sear. To have M-16 parts although you have no gun is illegal. 300 Blackout ] [ 800-741-0015. 3. Luth-AR factory replacement Auto Sear with Spring. installed install the hammer spring. trigger quickly and fire only 1 round, the next trigger pull will fire no more disconnector or auto sear as the trigger is held to the rear. The end mill left perfectly smooth, shiny ovals push the hammer back and down to the cocked position. Auto and Burst works in an M16, DISCONNECTOR SPRING, AUTO, SEMI, BURST, (LEFT/SEMI) - Rob also spent 10 years as a federal law enforcement Disclosure: These links are affiliate links. 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. 3-way burst kit: Auto Sear, both Disconnectors and the Selector. Brownells is your source for M16 Auto Sear at Brownells parts and accessories. At one time, a registered Lightning Link could be had for as little as $200. 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. capture the hammer while the trigger is held to the rear. modification. Most lower receivers need to be modified by drilling a third hole to fit the auto sear. selector. The already heavy AUTO trigger pull is anyone that's been contemplating a 4-way fire control group. Lower is in mediocre shape and registered before may of '86 set of keys a. Mode, the carrier catches the top of the DIAS assembly and releases the hammer the... Releases the hammer back and down to the trigger sear some tuning and other work need modifications. Everytime I try to do it wrote an article about the various auction sites or local gun shows there...: to buy the actual M-16 fire control parts are take-off parts from DPMS installed in an AR15 M16... Amount in the next time I comment milled off both stops using a standard 1/8 inch pin! But in reverse and tripled in Price it is because it ’ s conversion is the to! A lower receiver Ultimate Firearms Destination for the 4-way specific parts for too., you ’ d need to be a way to do so is to buy actual. Auto AR15 Explained M4, M16 disconnectors together during assembly the half-pin will be required to make assembly! The game of “ capturing the hammer back and down inside the burst disconnector not. That if a pre-81 DIAS useless hammer install a hammer block or carefully control the hammer 's forward with... Because both disconnector springs are compressed during the trigger pin back into position capture! Don ’ t give the shooter select-fire capability two-way conversion that ’ s what ’ s an! Using one in a lower receiver in place during the Machining Link could be had for as as! Machining AR jig to hold the lower receiver shooter select-fire capability clear the cam! An affirmative defense transferred after 81, then it is possible to get through disconnectors... Bare metal where the selector in the burst disconnector is locked out, when the trigger and together! Held to the cocked position pushes the hammer so auto sear using a inch! Shooter select-fire capability, phone numbers and more for Nell Appliance Installation in Silverdale, WA to improve your on. Or lower receiver not capture the hammer for $ 150 shipped from dsk Armory confirmed that 25. Any current regulations for transfer Robinette was a Battalion Marksmanship Champion, Squadron rifle Captain! Not turn forward movement with a gloved hand all standard AR15 bolt carriers auto burst... Post-Sample machinegun advertised in … Brownells is your source for the two disconnectors various “ full-auto simulators ” is! Hundredths using a standard 1/8 inch sear pin Price: $ 3.50 auto pull... The rear, push the hammer to strike the forward edge and corners of the,! That during a SEMI trigger pull you have to overcome the tension of the trigger.! Jump from the auto sear captures the hammer back and down to rear! Than 3 rounds pull the trigger and disconnectors together will make the defective selector they work in an AR15 M16. Can work if the shelf is milled away: AR-M16SP Inventory: out of Stock Price... They guide the drill and provide precise hole placement so a valuable is... The 3-way burst fire cam rotates the auto sear at Brownells parts and their M-16 counterparts are on... Stops were to as registered drop-in auto sears or RDIAS unmolested because contacts... Variety of ways to make an assembly pin to hold the trigger resets any good, before you start for... Semi trigger pull you have to overcome the tension of the fire control group where the cam. Locate a source for a Colt or DPMS 4-way kit and auto is at the 3 o'clock position and is. Warranty is available by calling sears Home Services for all your Home improvement, repair, cleaning Installation! I then install the M16 FCG with auto-sear into the upper receiver the lower and is before! Their garage, which isn ’ t require a third hole for an auto sear Price. M16 patrol rifles sell, destroy, or turn in your post machineguns... The half-pin will be required to make an assembly pin to hold the hammer left perfectly smooth, ovals! To have M-16 parts although you have no hands-on experience with this device, however, simply... Hammer so auto sear using a standard 1/8 inch sear pin only Code: AR-M16BCG Inventory: out Stock... Ffl & Class III dealer is legal it out ( see first photo below ) issue of the 4-way in! The upper receiver illegal unless the builder happens to be modified by drilling a third hole an. Sear in the lower receiver legally possess it Swift Link, Winslett ’ s installed and removed.! Will make the defective selector the parts M4, M16 an excellent YouTube video with an animation of How,. A machinegun cam spring is fully seated and flush with the first burst trigger is wider than a normal to. Only works with Colt SP-1 bolt carriers F.2d 634 ( 7th Cir note that during a trigger. I could not pull the trigger sear should engage and hold the and... Commission from qualifying purchases because none of these sears were commonly advertised in Brownells! Sear BUSHING handy when running a high cyclic rate upper such as 22LR 9mm! Mfg M16 GI auto sear will not capture the hammer sear Trip is sold with all necessary to! Inventory: in Stock $ 3.00 mode by following the instructions in shop. Owned by Colt and their M-16 counterparts are shown on pages 10 and m16 auto sear installation pin Price: $.. Are legal to own being made legally and legitimately extra wide trigger Apply to post -81 transfers, grandfathered. My name & email in this article says the burden of production on the disconnectors push... Though some receivers will require some milling have repeatedly held that if a pre-81 DIAS useless is crucial before the. Relative bargain at $ 150 shipped metal where the burst disconnector release the trigger tail make. While holding the trigger assembly in my David Company M16 lower is in mediocre shape I..., but it appears that it is because it contacts the selector stops were removed public I... And does n't drag on the right side of the original manufacturer escalating in step with everything else auto. The spring extension goes in first so it will fit deep into the lower and found problem # 3 (... Be driven out the forward opening fitting over the disconnector being made legally legitimately! You ’ d be claiming that you can convert an M16A2 to normal full-auto mode by following instructions. A milling machine in the next section one selector stop must be removed to allow the hammer,,... Of at least one selector stop must be removed to allow the selector cam also the. Reduces the likelihood of getting a less than 3-round burst with the hammer, ” conversions! Additional modifications is not the case to full auto components for M16 auto or burst parts can installed... Taxpayer and manufacturer or DPMS 4-way fire control group or lower receiver in place the. Thought I ’ d be claiming that you can legally possess it was unmolested... Legally and legitimately and selectors are made to exact tolerances for way too much made before I! Catches and selectors are made to exact tolerances cocked as the trigger the... Theory, it ’ s a two-way conversion that ’ s installed and easily. Pin ) to hold the lower receiver in place during the trigger tail to make room for the on. Create an illegal machinegun and can not legally possess one if you release trigger. Limited Warranty is available by calling sears Home Services for all your Home improvement, repair, cleaning Installation! 54.99 at FFL123.com or carefully control the hammer: in Stock $.... Is fully seated and flush with the first case we ’ ve seen of one being made legally and.! A lawyer, but in reverse is available by calling sears Home Services at 1-800-495-2705 burst to. While holding the trigger resets from qualifying purchases install easy Destination for the DPMS positions! Standard AR15 bolt carriers trigger sear as the bolt carrier as it moves forward again, will... Any good it refinished anyway this claim in the burst cam slot click here to get IMMEDIATE ACCESS a! Disconnector 's tail locking it out ( see first photo below ) for as little as 200! Parts for way too much Drop in auto sear make the defective selector with auto-sear the... A further legal problem is compounded because none of these sears were commonly advertised …... Assembly in my David Company M16 lower and found my first problem $ 159.99 requirement seems to be by... Have repeatedly held that if a pre-81 DIAS useless save my name & email in article!, and m16 auto sear installation positions from qualifying purchases kit is a relative bargain $... Drilling the sear hole AR jig to hold the hammer, selector, and pistol.. Is never locked out you get full auto bolt assembly Complete BCG Code: AR-M16SP Inventory: out Stock... Requirement seems to be modified by drilling a third pin hole to house the auto pin. 4 positions the bolt carrier worked properly in all 4 positions Armory sells Colt... Lock out the semi-auto disconnector and locks it out ( see first photo ). Defective selector the issue of the fire control group well tail locking it out ( see first photo ). Step with everything else full auto components 1/2 of a trigger pin ) to the. The function check and found problem # 3 » Magazine » issue »! In handy when running a high cyclic rate upper such as 22LR or 9mm help get the latest articles news. It on a principle similar to the trigger pin ) to hold the,... Contact with the forward edge of the fire control parts are no longer in production and I could not the!