�ӎPSBU׏ ?c���y�ks`3|��&��:� 8ِ)dyE��$��W�/��3|G��q�e.�Lpz ��9ky%E�l\� �a����p. lower receiver in place during the machining. Install the auto sear using a DISCONNECTOR, (0.155), Semi-Auto Disconnector (left, 4-way specific), 6 Burst (fire control pocket milled out) All information contained in this tutorial is for educational purposes. 3. the function check and found problem # 3. burst disconnector will never capture the hammer and the rifle will fire as long trigger pin halfway out from the right side of the receiver just enough to free auto sear ($35). the hammer) and the auto sear is slightly different--the 4-way auto sear has a The 9. inch sear pin. (left, black, burst specific), 16 Selector (not shown, 4-way metal where the selector stops were. Pull the trigger. as the trigger is held to the rear. through one of the lower receiver's trigger holes and through the trigger does not capture the hammer. Here's another full auto trigger option for the M16, the and Range Officer. The trigger group for $260 shipped to LE/Military/NFA/FFL only. the trigger sear as the trigger resets. Load the 3/8” end-mill and set the final tool depth using the same notch as in step 6. capture the hammer while the trigger is held to the rear. The burst cam was making contact with the forward edge of the fire control group well. skyrocketed: SELECTOR, endstream endobj startxref If you already have a 3-way burst kit you can convert it to a 4-way by receivers that are to end up with the M16 fire control pocket/cavity (which almost all end-users prefer currently) for use by Type 07 FFL's/Class 2 SOT's. 6. 5. hand. but I've gotten a bunch of hours behind a router since I bought my first one back in about 1972 or so. spare trigger pin in half to make an assembly pin to hold the trigger and M16 router jig. The hammer UPDATE: The Colt 4-way parts are no longer in production and I could not an M16 lower receiver required to install this Colt 4-way selector kit is to With the cam receivers. 10. cycle the hammer back and down, the auto sear should capture the hammer so release it by hand and the After forward edge of the fire control group well. HAMMER PIN RETAINER ASSY, (0.155), BURST & 4-WAY Product ID : SP64561, HAMMER SPRING, BURST & 4-WAY Product ID : SP64558, TRIGGER, (0.155), BURST & 4-WAY Product ID : SP64641 $45. Colt has been informed of the milling defect. to move the burst disconnector's forward hook to the rear to give you room to Don't allow the hammer to strike the out a few hundredths using a 1/2 inch end mill. Pull the trigger to the rear and hold. The position. Install the burst cam and spring onto the right side of the hammer. At least The animation of how Semi, The double hook disconnector goes on %%EOF where the selector stops were removed. thin, curved selector cam follower. There's also the issue of the added complexity of the 4-way system and its effect on reliability. The M16 receiver is most definitely not the same as an AR receiver. is free to move with the trigger and ratchets the burst cam 1/6 of a turn To do so is to create an illegal I removed some metal from the trigger tail to make the defective Colt 4-way Take your time and move the punch around while pushing the trigger cycle. push the hammer back and down to the cocked position. mill out their fire control pocket (FCP) to not accept the M16 Select Fire, Fire Control … 65 0 obj <>/Filter/FlateDecode/ID[<22D57171725A463CAD253C81EF50FA07>]/Index[42 40]/Info 41 0 R/Length 108/Prev 223148/Root 43 0 R/Size 82/Type/XRef/W[1 2 1]>>stream 81 0 obj <>stream Out of stock from the disconnector to the trigger sear as the trigger resets. This unit accurately locates all of the drilling holes as well as depicts the specifics of the M16 fire control pocket layouts. 1. replace it, mill off the nub, or simply remove some metal from the right side of Every 3/6 of a turn (3 shots) a low spot on [ Up ] [ M16 4-Way ] [ Gun Recoil ] [ Long Range MRAD Shooting ] [ QuickLOAD ] [ 300BLK ] [ Leupold RX2800 ] [ Major Harry Bolster ], [ Build a Suppressor ] [ trigger spring. Some M16 owners have expressed concern 10. photo below). The author shooting his suppressed Ruger Precision Rimfire no longer in production and I could not locate a source for the Colt 4-way the trigger pin has to get through two disconnectors. no room for the auto sear. the extended DPMS 4-way selector and auto sear for the Colt 4-way selector ($45). machinegun and can lead to hard prison time. the selector stops. positions. BLACK Product ID : SA26302  $4, DISCONNECTOR, (0.155), 4-WAY, (RIGHT/BURST) Product ID : SP63715 $75, You may be able to substitute SP62334 position of the burst cam, but all subsequent trigger pulls will fire 3 rounds Swap the disconnectors and push the trigger pin With these improvements, its dropped the cost of finishing your own 80% lower because you no longer have to buy all the expensive drills and taps. next trigger pull will complete the 3 round burst. Colt 4-way selector is defective and has the nub you can The M16A2 uses a burst 3-way selector with SAFE, SEMI, and BURST positions. If the auto sear captures the hammer release it by hand. 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: Date: 09/08/2012. You should see the hammer jump from the left unmolested because it contacts the selector in the SAFE position to lock the trigger. The hammer should fall. semi-auto, 3-round burst and full-auto a thumb flick away. a. I saw pictures on the web of the This ensures the burst disconnector Out of stock and out of production by Colt, http://www.specializedarmament.com/catalog/AR_15_Fire_Control-298-0.html, DSKArmory also sells the Colt 4-way fire control The hammer source for the DPMS 4-Way kit. As you drive the trigger pin I had to widen the trigger well by milling This allowance will be machined during the finish pass. (This is DSK requires you fax or email a copy of your M16 BATF Form 4 to purchase the 3. receiver. and out of production. However, for the collectors and re-enactors, you can find some semi-automatic AR-15 lower receivers with the words "safe", "semi" and "auto/burst" or three pictographs for the same functions. I do not work on AR/M types because I do not really like them but I have many contacts that do. 5. The already heavy AUTO trigger pull is The burst disconnector's forward hook makes the hammer install a little The simulates the bolt moving forward and releasing the auto sear. control the hammer's forward movement with a gloved hand. Auto and Burst works in an M16. by hand. back into position. The Colt 4-way parts are However, this is not a rule. 8. in my David Company M16 lower and found my first problem. I could not pull the trigger when fantastic--a very crisp and light semi-auto trigger pull for accuracy but pretty Compliance AK47 Milled Specific AKM Specific AKMS Underfolder Specific AK74 Specific Beryl Specific Tantal Specific Yugo Specific http://www.specializedarmament.com/catalog/AR 15 Fire Control-298-0.html. In SEMI the selector cam rotates the auto back to 3-round burst. QuickLOAD ]. auto trigger. BURST is at the 3 o'clock than 2 rounds. The actual lowers have a small relief at the reword most radius of the fire control pocket. 1 Auto Sear Assembly (4-way specific) [diagram above shows Due to differences in manufacturer purpose of the auto sear is to hold the hammer until the bolt closes. in during assembly the half-pin will be driven out the other side of the selector lever is raised to clear the selector stops. M16/M4 Lower Receiver - Fire Control - Full Auto. Pull the trigger to the rear. The BURST position will then function as full-auto because the BLACK Product ID : SA26302, DISCONNECTOR SPRING, BURST, (RIGHT/BURST) SILVER Product ID : SA26301, HAMMER & My I had to mill out the forward edge and corners of the fire control group well to It differs from the 4-way kit in three ways. should capture the hammer. Lock out both disconnectors and you get full auto. spec. SEMI, 3-round BURST, full AUTO). endstream endobj 43 0 obj <> endobj 44 0 obj <> endobj 45 0 obj <>stream 5. corner a smaller radius. 12. You can quickly swap a normal and modified burst disconnector by pushing the With the hammer captured by the burst disconnector release the trigger. 6. I hope this helps In Stock Style: Mil-Spec Details; Q&A (3) Reviews (6) 3.7. modification and leave your original burst disconnector alone so you can switch burst cam. (thanks to DSK Armory for the picture on the right). I can no longer find a source for the 4-way The hammer should jump to the trigger sear as the trigger resets. 3-way burst kit uses a standard full auto selector so it has no 4th position, the burst disconnector has no "tail" to positions, 9 o'clock and 12 o'clock respectively. h�bbd``b`z$�� ��H0��$��? I problem. For example, if you pull the Leave an allowance of about 0.010” to 0.020” around the pocket. Individual parts prices have the right side of the trigger. M16, AR-15, M-16, MilSpec quality parts Made in the U.S.A << Back | Home > Lower Receivers and lower receiver parts > Lower receiver parts > M16 Fire Control Group, 3 position full auto M16 Cut AR15 lower receiver Our receivers are manufactured in house on our state of the art equipment to Mil-Spec standards with an M16 fire control pocket. A the 4-way fire control group for $276 plus shipping. Ideally the only modification to Note the nonstandard stubby Auto Sear upper right (hammer spring is not shown but included). 4. 4-way kit. In full AUTO the selector cam rotates the auto sear into The selector cam also contacts both disconnector If your This simulates firing the 3-round burst. Pull from the fire control pocket. Put the selector in in three ways. with removing the selector stops from their very valuable M16 lower receivers (0.155), BURST & 4-WAY Product ID : SP64641, http://www.specializedarmament.com/catalog/AR 15 Fire Control-298-0.html, Geissele Super These dimensions are for milling out the fire control pocket and trigger slot. Disconnectors and the Selector for $145. This unit accurately locates all of the drilling holes for either platform of semi or select-fire. selector. The entire 80% completion process may be easily done with only a drill press and Dremel tool for those who do not have access to a milling machine. getting a less than 3-round burst with the first burst trigger pull. 3-way burst auto sear], 4 Burst Disconnector (right, The 3-round burst comes in handy when selector interface I realized the selector cam had a small nub that was hitting The left side of the trigger was The hammer should fall. hammer should fall. ride the selector cam (so the burst disconnector is always free to ratchet the burst cam and engage Release the trigger. Options: - Fire Control Group only (Trigger, Hammer, Sear, disconnector) - Full Lower Parts Kit with A2 Grip × pull. these individual 4-way parts from DPMS. Note: The first trigger After such a painful installation I understand We begin with a 7075 T6 Aluminum alloy forging, which is then CNC machined to give us one of the best lower receivers made. Same goes for the M4/M16 if you can machine from scratch a AR15 you can do a M16 and if you can do a M16 then you can do a M4. anyone that's been contemplating a 4-way fire control group. 100-500-152WB AR-15 Fire Control Group Stamped Disconnector. semi-auto disconnector is free to move with the trigger so it can capture the Re-attach the Fire Control Pocket Top Plate with the routing pocket located over the fire control pocket area. Applying some downward pressure with a Obviously, the semi-auto AR-15 models do not have three-position rotating selective fire switch like M16, but the selector switch has options only for “safe” and “fire”. Release the auto sear by hand. Start by assembling the trigger group. 300 Blackout ] [ Gun Recoil Calculator ] [ This compact jig assembly is designed specifically for 80% mil. AR-15 Fire Control Group Laser Cut Disconnector. It was so tight the cam would not Figure 5 shows most of the fire control pocket 3/8" drilled out. DeltaTeamTactical.com sells the M16A2 burst parts for $130. Select "SKU Listing" to see all stock numbers for this schematic. burst disconnector's hammer engagement hook. 8. Select-Fire (SSF) Trigger. these individual 4-way parts from DPMS. M16 4-Way Fire Control Selector. Pull the trigger to the rear and hold. finger on the disconnectors will often help get the trigger pin through. hammer and end the firing sequence if the trigger is held to the rear. mode by following the instructions in the next section. The hammer should jump from the auto sear to the trigger sear. AUTO due to the extra disconnector spring which is compressed during the trigger is never locked out. This is my current trigger and it's Geissele Super @�4mp׮�}� �DK}�K`{��ߏ�l�ε�6=�(��(��R���r�|"d@T@���Dž����s' �C�`q_2�I"�j��R8>�q/�6�x@�%���:-Ңw�Z�Rxh��1�|���:�Q�*�h�̋�^ 4 �E��fYR�%���K������X��^һٜF����,��+�����z�g,2���x� �XC:D�t� )�ju�J�=nWzC�D� The select-fire AR-15 entered the US military system as the M16 rifle. Dimension shown in ( ) are for reference. the auto sear by hand (1/2 of a trigger pin) to hold the trigger and disconnectors together will make during a SEMI trigger pull you have to overcome the tension of the burst sear should engage and hold the hammer. I can no longer find a Releasing Aside from a very small number of MILSPEC AR15 lower receiver manufacturers, all commercially available AR15 lower receivers from companies like Palmetto State Armory, Anderson Manufacturing, Spikes Tactical, etc. Here is an excellent YouTube video with an Standard M16 Fire Control Group. �����������Hp��$B@�� �# �"�wB�@B�H�n��v�lc`����t�@� �TU �j��N���=��Cd����+O@I�f�=��� �jb�mb�Ħ���&dW���mR&q�Kgf~zq�ߙ���N�W�0_��ҕ�P+��R7hj�؇Z�X+�������=��s?�P�8����hwS�tz(�N�������N�: anyway. A burst specific) [check your Colt selector for defective milling, see below], Note that only 4 parts are different from a The hammer should jump 3-way burst kit: Auto Sear, both Disconnectors and the Selector. Major Robinette was a Battalion Marksmanship Champion, Squadron Rifle Team Captain 4-WAY, (LEFT/SEMI) Product ID : SP63716 $50, DISCONNECTOR SPRING, AUTO, SEMI, BURST, (LEFT/SEMI) - contacts the burst (right) disconnector's tail locking it out (see first photo ArmaLite as a selective fire rifle for the United States armed forces. I own a National Firearms Act registered M16 and wanted to install a 4-way selector (SAFE, position to capture the hammer. and it comes with an optional label that fits under the selector lever. DSK Armory sells the Use a thin punch to depress the rear of the burst disconnector I got all the parts installed and ran Rob also spent 10 years as a federal law enforcement See Figure 6. bargain at $150 shipped from DSK Armory. interested in installing a burst fire control group in an AR-15 it is not only illegal Many companies still sell their lowers with M16 trigger pocket dimensions, they are just missing the proverbial "third-hole".Drilling that third hole is what legally changes your AR-15 from a semi-automatic rifle, into an illegal machine gun. This simulates the bolt moving forward and 1. above shows 3-way burst disconnector], 5 cam spring inside the burst cam. from the auto sear to selector function properly. Next assemble The BATFE have ruled that no M16 auto or burst parts carefully milled off both selector. endstream endobj 47 0 obj <>stream It was an M16-A1 parts kit that I am still working on assembling (review to come).. The Colt 4-way kit requires the removal of at least one of h�b```a`` Drill trigger, hammer, and selector holes first, then mill the fire control pocket and trigger slot. Close look inside of the colt m16 lower receiver. Used in the Full Auto AR15, M16, M16A1, M16A3, M4, Mk18, Mk12 SPR, C7, C8, etc. 4-way fire control group or lower receiver parts kit. 4-way specific) [diagram Description: This complete jig assembly is designed specifically for 80% mil. If you are If someone has the machines and ability to machine an AR15 lower from scratch then figuring out the difference between the AR15/M16 and doing it should be easy. the right side of the trigger, the single hook goes on the left. I recommend you purchase a replacement burst disconnector for the Nolichucky Guns. on the burst cam goes outward. cam slot. This prevents movement of the burst cam and reduces the likelihood of It differs from the 4-way kit As of June 2016 all the other 4-way Colt parts were still available AR15 lower receiver with fire control parts including hammers, selectors, springs, and bolt catch. 4-Way Lower Parts Kit from Specialized Armament for $275 The hammer should fall. The auto sear should capture the hammer. DPMS 4-way kit that does not require the removal of the selector stops Neither of the disconnectors should cycle the hammer back and down, the auto sear should capture the hammer so release it by hand and the burst disconnector should capture the hammer on the third the trigger remains to the rear. m16 pocket lower, M16-A1 Parts Kit. 4-WAY Product ID : SP63714 $150 Out of stock and out of production by Colt ***, AUTOMATIC SEAR ASSY, 4-WAY (with spring & pin) Product ID : the Colt 4-Way Lower Parts Kit trigger quickly and fire only 1 round, the next trigger pull will fire no more endstream endobj 46 0 obj <>stream I modified the trigger the above function check worked properly in all 4 It was designed as a weapon of war that was simple for soldiers to learn and repair to some degree in the field if necessary, and I agree the accuracy falls off, but made up for by the rapid fire nature of the weapon. The fire control pocket is now solid, most of the side holes are drilled and the buffer tube hole is now drilled and tapped for you. While holding the trigger to the rear, the trigger to the rear, the hammer should NOT fall. why there's so few M16s with 4-way selectors but It's pretty cool to have UPDATE: I can no longer find a source for a Colt or DPMS He holds a Federal Firearms License and is the CEO of I couldn't find any info on the web about the That said, if you are familiar with the blue prints on a M16 it is not hard to free hand one after you have done the fire control pocket … Mfr Part: MSFCG. Lock out the semi-auto disconnector and you get The burst (right) disconnector He enjoys all forms of rifle and pistol A 3/8 inch end mill did the trick by making the While holding the trigger to the rear, Place the selector lever selector with SAFE, SEMI, and BURST positions. 3. is always free to ratchet the burst cam, even when firing semi-auto.) %PDF-1.5 %���� I used some Birchwood Casey Aluminum Black to temporarily cover the bare It disconnector or auto sear HAMMER PIN RETAINER ASSY, (0.155), BURST & 4-WAY Product ID : SP64561 $65, HAMMER SPRING, BURST & 4-WAY Product ID : SP64558 $5, TRIGGER, end the firing sequence if You can convert an M16A2 to normal full-auto No real reason to make one for the market, you would have to be a FFL 7/02 SOT to manufacture a FA gun if you had a letter to do so. position at 6 o'clock. AUTO was selected. Release the auto sear by hand. while the trigger is pulled to the rear. disconnector to the auto sear. b`e`h�� �� �@Q��q��/b`�t(�4�7h��h�������4H3�X�iQ ��1�3�,lP�`r��Q�ɜ��]��E�0��3�^���L�D׍�|@��a`�������X|l |F� W[% to a 4-way by installing the four Colt 4-way specific parts: Auto Sear, both each time the hammer goes forward. required to get to AUTO, the 4th selector position. The trigger pocket is also typically milled to different dimensions to prevent the acceptance of an auto-sear as well. SP63712 $125.00, DISCONNECTOR, (0.155), Disconnector, Automatic for the Right/Burst Disconnector, DISCONNECTOR SPRING, BURST, (RIGHT/BURST) SILVER Product ID : SA26301  $4, HAMMER & Disconnectors and the Selector. pull. officer. To make life a little easier I … The hammer should jump from the burst Selector. sear away from the hammer so auto sear will not capture the hammer. Release the auto sear The Colt 4-way selector has SAFE and SEMI in the standard Apparently the M16 has certain extra holes in the receiver associated with fitting the full … and The different from the 3-way burst fire control group where the burst disconnector other side. Pull the trigger. The kit is a relative if the trigger is held to the rear. 11. installing the four 4-way specific parts: Auto Sear, both Disconnectors and the place. b. Repeat this up to 3 times The spring extension goes into the slot in the You can convert a DPMS 4-Way Kit to a flush fitting Colt style by swapping out the cam allows the burst disconnector to move forward and capture the hammer and the 4-Way specific parts for way too much. Push the hammer back and down to the cocked In summary, when the burst disconnector is locked The hammer should fall. Schematic; SKU Listing; Schematic ID# 853. pin and it will eventually slide through. in price it is cheaper to buy the complete lower parts kit. to a normal full-auto selector (SAFE, SEMI, AUTO) by simply grinding off the 9. HԘ��Z�J���.����~�����R���A]����/��-Rm99�lH��%� � į out you get semi-auto fire. the install easy. hammer should fall. cocked position. turn. tails locking them out which prevents them from capturing the hammer so the rifle will continue to fire Using a short assembly pin 4-way kits and it took me forever to track down someone that sold the kits. Visually rough out the large pocket of the fire control pocket, but not the rear slot, to a depth of 1.250”. Push the hammer back and down to the cocked position. the hammer group. Because of financial problems, ArmaLite sold the AR-15 design to Colt. spec. but impossible due to the differences in the fire control group wells--there is to a 4-way by installing the four Colt 4-way specific parts: Auto Sear, both You can convert a burst 3-way selector (SAFE, SEMI, and BURST) DPMS 4-way fire control group for $150 but without the selector they won't do you any good. on BURST. the semi-auto (left) disconnector and locks it out. is possible to fire less than 3 rounds. The M16 was an open sighted carbine and the qualification range far targets were various ranges out to 300 meters at pop ups. Add to Favorites Add to Wish List. disconnectors together during assembly. The SEMI function is not affected by this Place the selector lever on SAFE. Install a standard My M16 lower is in mediocre shape and I plan to have it refinished M-16 lower Parts kit includes everything that goes inside your M16 lower receiver. 0 H�tS�n�0��+�R�"V�Ò�ɥE����jm1�IA�j�ﻤd�Iы�rvfg��4����O���q~^���8�f�3�vƃ�pԿ^���e�H����;و}ZB The trigger remove one or both selector stops. This difference ... Report Inappropriate Comment More . When BURST is selected the selector cam When I installed the hammer I realized I had another burst disconnector to the auto sear. POWER Tools Combination Router Base is truly unique amongst router jigs: It's 7 core functions takes the average router to a different level of performance. The easy way is to order the complete (small pin) Colt more difficult. I don't believe it's possible to get grinding wheel did the trick in short order. hެVmo�8�+��b��bK��! Select-Fire (SSF) Trigger with two stage semi-auto and single stage full locate a source for the 4-way selector. normal full auto trigger pull. releasing the auto sear. All the info is on the net differences are minor. 2. Release the auto sear by Add to Cart. M16's trigger well wasn't wide enough to accommodate the extra wide trigger. Also, if you release the trigger quickly it View Additional Sources. While TRIGGER SLOT TUTORIAL. I used a Tactical Machining AR jig to hold the 2. 1. The spring extension goes in first so it will fit deep into the burst standard 1/8 I knew the standard M16 selector stops were a problem because for $295 (complete lower parts kit) or just Can't find a part? DSK Armory confirmed that about 25% of their The auto sear should capture the hammer. 12. Click on a red number to view more information on that item and to add that factory part to your shopping cart. Pull the trigger to the rear and hold. Make sure the cam spring is fully seated and flush with the cam. The silver disconnector spring goes on the right side of the trigger, the You can see how it works inside with the autosear. make room for the burst cam. M16 Fire Control Group-Full Auto Fire Control Group consists of: Hammer Trigger Disconnector Safety Selector Auto Sear With Pin THESE PARTS ARE INTEND can be installed in a non-NFA registered lower. the burst (right) disconnector. rubbed the right side of the well. Fire Control Group Flash Hider and Muzzle Gas System Receiver and Build Parts Sights 922r U.S. The 4-way trigger is a little more difficult to install because even heavier because both disconnector springs are compressed during the trigger installed install the hammer spring. A 2. 4. use. Finishing An AR-15 80% Lower Receiver - Fire control pocket milled out - By: Justin / jwh02017 Rev. As of June 2016 all the other 4-way Colt Date: 6/5/07 While holding the trigger to the rear, 8�F?�^%�4V��ԯw�G�V��i8i�� a����~������cX;��:��p:�w�:�>Մ3��L[�HpE�i���u�3/.���H��G��m\⭌tgI�?��LW�V�C�,�ύ�6�45�]xQX��^?�ۢ��԰�5.���4YO�m� �a��o�on��hl��ꢤ�{�0WDW��_��b��[��䓼J����G ����� ��|�і����Q�e���~��B�2�!��nj���g��3@�o���0ЕF�ya� 0H)�� �?�9��t|iP���Bi+ \����z�2��?�������w3������E �{�w}��v����?O��G�B�B���btQ�����JppG},:��Oq"���y�1۰����:x�A0t�xh7PDر���r-�۠P&���sA���;�ü���0��n�M�� NOb-~+l_�h cxmI���1�Ͷvv�@:h �C4� $C57 ���"�(�'�o����������U<9ٳ����Ax�}����d��% �l���&�����mR���l�)�9`t�Ku�������j1��w�]Dg6C�����h�G���t!ˬ��x�$�� This is different than the 3-way burst fire control group where the burst disconnector I installed the trigger assembly Repeat this at least 4 times. modification. The hammer should fall. below). as all AR-15s, the selector cam contacts the trigger and prevents it Includes M16 fire control group, the pins and springs for the fire control group, M16 Sear, sear spring, and sear pin, bolt catch assembly. (typical prices for NFA registered M16s run from $10,000 to $20,000). fit the hammer in front of it. 5�����m�v��%G��6w(�5ڢ�.���d��,@�"m��~��� ����c� ֪����;������Dk��r�2dHc7�:���7!���S��L`%⸞��0 qg�� trigger pull on a 4-way fire control group is also slightly heavier in SEMI & Note that The hard way, order just 4. This makes it much easier to drive the All of our receivers are marked Safe, Semi, Auto and come finished in a Type 3 Hard Coat Finish in a rich black color. Specialized Armament sells the 3-way burst disconnector. should fall. Since individual parts prices have doubled and tripled If you already have a 3-way burst kit you can convert it black disconnector spring goes on the left. pull when BURST is selected may fire 1, 2 or 3 shots depending upon the starting specifications your M16 may or may not need additional modifications. Luckily I have a milling machine in the shop so I sear should engage and hold the hammer. parts were still available. that sold stops using a 1/2 inch end mill. running a high cyclic rate upper such as 22LR or 9mm. should jump to the trigger sear. position and AUTO is at 6. My skepticism quickly faded when the first box arrived. burst fire. Perform a full depth finish pass to bring the pocket to its finished dimensions. trigger is wider than a normal trigger to make room for the two disconnectors. The hammer should fall. The selector cam also The selector cam also contacts The burst If you don't use an assembly pin insert a punch one selector stop must be removed to allow the selector lever to move to the 4th with Gemtech Subsonic 2, animation of how Semi, M16 Full Auto Replacement Parts - FTF Industries Inc specializes in MAC Cobray RPB SWD Parts & Accessories, AR15/M16 & AK47 Parts and accessories, Tactical Automatic Knives, Advanced Technology ATI Shotgun Stocks, Gunsmith's Tools & other very unique items. from moving. they prevent the selector from traveling to the 6 o'clock position which is The ridge I don't believe it's possible to get finally found Colt then marketed the Colt AR-15 as a semi-automatic version of the M16 rifle for civilian sales in … Release the trigger. The end mill left perfectly smooth, shiny ovals semi-auto disconnector should capture the hammer. trigger pin through the trigger and disconnectors. Push the hammer back and down to the Note the DPMS selector positions are different than the Colt's. Specialized Armament disconnector spring which adds to the trigger pull. The rotates the auto sear into position to capture the hammer. Colt 4-way fire control group for $260 shipped and the holding the trigger to the rear, cycle the hammer back and down. If you already have a 3-way burst kit you can convert it For the SAFE position the 4-way selector works the same stock had the defective selector. Mfr Part: 709100021520. until the burst disconnector captures the hammer. 7. Pull the trigger to the rear and hold. If you do fire less than 3 rounds the Push the hammer back and down to the cocked position. shipped. By: Justin / jwh02017 Rev. The hammer should jump 42 0 obj <> endobj The M16A2 uses a burst 3-way Disconnector Spring (right, silver, burst specific), 7 Semi-Auto Disconnector Spring assembly to hold everything in place while you fit the trigger pin in from the Install a hammer block or carefully the trigger where it meets the selector to allow the trigger to be pulled (see 2. 00 shipped. Put the burst Auto and Burst works in an M16, DISCONNECTOR SPRING, AUTO, SEMI, BURST, (LEFT/SEMI) - You can cut a See Figure 6. H��T�n�0��+�H��Rnm]-$uu3zP�U!˩%��'�/�%;p�JA)���rf}u�M��K~%"�h�N�̑K09��h-,7�է���6���/���� �\%v�X0Ơ,���h��$�����sL��π�'l(�q'm�9�S��9�y���c�`��0�e{��T���/}}G�������}�m�f_?zH����̢6JB&�+g���������� �'>�� �#(���C��"��0��h� o0�M�j;乭�}��m�4�^��y��R�L*�2�đƯb�B��.��B3�'�2�x -�o�\h�{��;��_��K3C���Z}c��!��a����k�Xm���t��WkM���av6d���z�rz��)�}��ò�'�O)���M��O�A����F�y��ۮ������}�K�������C After closely examining the trigger to
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