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AR-15 Perma-Pin Firing Pin Retainer replaces standard cotter pin found in the bolt carrier to retain the firing pin; easy to install.
<BR>Made in the U.S.A. with a lifetime warranty from KNS Precision, Inc. For Warranty questions please contact:
<BR>KNS Precision, Inc.
<BR>112 Marschall Creek Roa...
2-KNSPERMA
$6.62
IN STOCK at Warehouse
2
If your AR-15 has started malfunctioning, this kit could be your answer. The combination of the extra powered replacement spring, new plunger, and stiff O-ring can increase extraction force by more than four times. This kit is also a great way to have spare parts on hand, ready to be used. <BR><BR>
...
8-DSC-AR125
$8.11
IN STOCK at Warehouse
8
Technical Grinding and Machining is a manufacturer in Blaine, Minnesota known for quality parts production! High quality parts at affordable prices are their specialty!<br><br>

Standard AR-15 Bolt carrier Gas Key.
8-TGM-GASKEY
$10.83
IN STOCK at Warehouse
8
These VooDoo Innovations firing pins included a factory lifetime warranty, and are compatible with both mil-spec and non mil-spec AR-15 bolt carrier groups. This firing pin is machined to exceed all MIL TDP specifications and is enhanced using a proprietary LifeCoat treatment. This molecular coating...
2-VDI-FP
$13.01
IN STOCK at Warehouse
2
The Patriot Ordnance Factory roller cam pin is a brilliant upgrade option for those seeking higher reliability from their AR-15 rifles. With an NP3 coating and friction reducing design, this part replaces the standard AR-15 cam pin and improves reliability considerably. This allows the pin to operat...
8-POF-RCPA223
$16.24
IN STOCK at Warehouse
8
Replacement parts kit for AR-15 bolts includes an extractor spring, extractor pin, extractor spring assembly, extractor, ejector roll pin, ejector, and three gas rings.<br><br>
Will not work with AR-10 bolts.
ARR-542
$17.97
IN STOCK at Warehouse
1
Replacement parts kit for AR-15 bolts includes an extractor spring, extractor pin, extractor spring assembly, extractor, ejector roll pin, ejector, and three gas rings.<br><br>
Will not work with AR-10 bolts.
ARR-5420
$19.97
IN STOCK at Warehouse
1
The CMMG, Inc. AR-15 bolt rehab kit is a great way to update and  freshen  up your worn or damaged AR-15 bolt. It's also a great way to keep mil-spec parts on hand for a quick repair, or in case you lose a part.<BR><BR>

<B>Includes:</B><BR>
Ejector<BR>
Ejector spring<BR>
Ejector roll pin<BR>
...
8-CMMG-55AFF68
$26.19
IN STOCK at Warehouse
8
This AR-15 and M16 Titanium firing pin is Lighter than a blue or stainless firing pin. That makes it faster in travel time and stronger to reduce wear. Faster travel means more accurate shooting as lock time is reduced. Will not fit the Daewoo K1.
ARR-043
$29.97
IN STOCK at Warehouse
1
This kit includes a roller cam pin and modified gas key.  For AR-15/M-16 platform direct impingement rifles.
8-POF-RCPK223
$45.67
IN STOCK at Warehouse
8
This AR-15 bolt carrier and gas key kit is made of phosphated 8620 steel, and features a chrome lined interior. The carrier key is also chrome lined, and is properly attached and staked with grade 8 screws. You can't go wrong with a deal like this, so stock up on spare parts or get that last piece n...
8-DTI-BC1009
$51.69
IN STOCK at Warehouse
8
Daniel Defense's AR-15 bolt is made from high strength Carpenter 158 Steel, which is shot peened and then magnetic particle inspected before being shipped out. These vital tests are essential to ensuring the bolt's integrity is held. An extractor O-ring is also included to increase extractor tension...
7-DD09302
$69.00
IN STOCK at Warehouse
7
This Del-Ton BCG is built to Mil-spec using proper components and finishes. Rest assured with this bolt and carrier assembly in your AR15 build.<br><br>

<b>Specifications and Features</b><br>
Phosphated 8620 Steel Carrier Assembly<br>
Carpenter 158 Bolt <br>
HPT/MPI Tested<br>
Heat Treated an...
7-BC1044
$110.34
IN STOCK at Warehouse
7
Ammunition is more expensive than ever, and so is the cost of training. Get the most bang for your buck by utilizing your existing AR-15 platform with the SIRT-AR bolt for high volume, sustainable diagnostic training. By replacing your bolt carrier with the SIRT-AR bolt you will be able to train wit...
2-NLT0AR-00R000
$114.86
IN STOCK at Warehouse
2
Complete Bolt Carrier Assembly for the 5.56 NATO or .223 Remington YHM-15 or any other Mil. Spec. AR-15
7-YHMBCBT556
$117.12
IN STOCK at Warehouse
7
Go for a traditional look with our matte phosphate coated bolt. Includes a fully staked gas key and is assembled from quality  components.<br><br>

.223/5.56<br><br>

<table>
<tr><td>Phosphate Coated </td><td> (<a href= http://www.CheaperThanDirt.com/product/ARR-972 >ARR-972</a>)</td></tr>
<tr...
ARR-972
$119.97
IN STOCK at Warehouse
1
LBE Unlimited was developed to answer the needs of Elite Task Force team's world wide who demand top performing gear with no room for error. Whether you are shooting in combat, competition or practice chose the gear that will not fail under pressure, LBE Unlimited. <br><br>
Mil-spec bolt carrier as...
2-LBM16BLT
$129.50
IN STOCK at Warehouses
2,1
Dress up your AR-15 with a chrome plated bolt carrier assembly. Includes fully staked gas keys and is assembled from quality components.<br><br>

.223/5.56<br><br>

<table>
<tr><td>Phosphate Coated </td><td> (<a href= http://www.CheaperThanDirt.com/product/ARR-972 >ARR-972</a>)</td></tr>
<tr><...
ARR-973
$129.97
IN STOCK at Warehouse
1
The Fail Zero BCG Kit is an excellent upgrade to your stock BCG or an even better addition to your AR build.  The BCG Kit is well made utilizing only the highest grade components available and comes with a EXO Technology Finish for permanent dry lubricity that is outstanding.  The Fail Zero BCG Kit ...
2-FZ009-FZAR15-01-NH
$131.04
IN STOCK at Warehouse
2
One of the finest bolt carrier groups on the market, this Spikes Tactical BCG is a great choice for the discerning marksman. The carrier is made from Mil-Spec 8620 tool steel, and features a shrouded firing pin. Finished inside and out with a 5.3.1.2 MIL-STD-171 phosphate finish, and also has a hard...
2-SPKST5BG01
$133.84
IN STOCK at Warehouse
2
This semi automatic bolt carrier group is chrome lined, made from Carpenter 158 steel, and coated to meet the proper military specifications. The carrier key is chrome lined and properly staked, for longevity. The bolt assembly contains the correct black insert and tool steel extractor. The bolts MP...
8-DSC-AR100
$136.98
IN STOCK at Warehouse
8
Anderson Manufacturing is another of America's family owned and operated companies that designs and manufacturers innovative firearms and firearm accessories.  Hard work and dedication to the firearm industry has lead to Anderson Manufacturing success and loyal fan base.  If you are looking for an e...
9-174290
$137.51
IN STOCK at Warehouse
9
Complete CMMG bolt carrier group, full auto cut for reliability. Features a properly staked gas key, ready to be used out of the box.
2-CMMG55BA419
$139.52
IN STOCK at Warehouses
2,7,8
LBE Unlimited was developed to answer the needs of Elite Task Force team's world wide who demand top performing gear with no room for error. Whether you are shooting in combat, competition or practice chose the gear that will not fail under pressure, LBE Unlimited. <br><br>
Mil-spec bolt carrier as...
ARR-761
$139.97
IN STOCK at Warehouses
2,1
Anderson Manufacturing manufactures this high quality AR15 bolt and carrier assembly (BCG). This item has the correct MPI tested, shot peened bolt, a chrome lined bolt bore and gas key interior and a properly staked gas key. Top this all off with a quality phosphate finish and you have the perfect t...
8-AM-AM1008
$143.42
IN STOCK at Warehouse
8
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