AR-15 Bolt Carrier Groups
AR-15 Bolt Carrier Groups | AR 15 BCG's
AR-15 bolt carrier groups (BCG) are crucial components of the AR-15 rifle, responsible for the cycling of the action and firing of the rifle. Our selection of BCG's includes a variety of styles, including full-auto and semi-auto, made with durable, high-quality materials such as steel and titanium. Many of our BCG's come with additional features such as enhanced gas key, NP3 coating, and chrome lining, which increases the BCG's durability, reliability, and resistance to corrosion. Whether you're a recreational or professional shooter, our BCG's offer improved performance and longevity. Browse our selection of top-quality BCG's from leading manufacturers and find the perfect fit for your rifle. Upgrade your AR-15 today with one of our high-performing BCG's and ensure smooth and reliable operation of your rifle.
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.223/5.56 Bolt Carrier Group - Black Nitride
Black Rifle Depot
MSRP: $139.95$79.95.223/5.56 Bolt Carrier Group - Black Nitride The .223/5.56 Black Nitride Bolt Carrier Group was designed with strength in mind. Starting with a 9310 Steel Bolt, which is aircraft-grade material, this bolt has a high core strength rating, a high fatigue...MSRP: $139.95$79.95 -
Microbest C158 HPT/MPI 5.56 Bolt Carrier Group - Chrome
Microbest
MSRP: $154.95$139.95Microbest C158 HPT/MPI 5.56 Bolt Carrier Group - Chrome The Microbest Bolt Carrier Group is a great choice for any build. This drop-in AR-15 BCG features a corrosion resistant hard chrome finish, MIL-SPEC dimensions, and a magnetic particle inspected...MSRP: $154.95$139.95 -
Bootleg AR 15 Four Position Adjustable Bolt Carrier Group
Bootleg Inc.
MSRP: $209.95$199.95Bootleg AR 15 Four Position Adjustable Bolt Carrier Group The Bootleg AR-15 Four Position Adjustable Bolt Carrier Group offers superior performance, exceptional durability, and increased flexibility for the modern shooter. Machined from high-strength S7...MSRP: $209.95$199.95 -
Toolcraft .223/5.56/300 BLK M16 Profile Bolt Carrier Group - Black Nitride
Toolcraft Inc.
MSRP: $149.95$99.95Toolcraft Black Nitride .223/5.56/300BLK M16 Profile Bolt Carrier Group Toolcraft is known for their unsurpassed quality and durability in their BCG's. Mil-Spec is just the beginning, they have spent attention to detail in every aspect of the...MSRP: $149.95$99.95 -
Bear Creek Arsenal M16 Profile 5.56 Black Nitride Bolt Carrier Group
Bear Creek Arsenal
MSRP: $85.95$69.95Bear Creek Arsenal M16 Profile 5.56 Black Nitride Bolt Carrier Group This Bear Creek Arsenal BCG features a full mass M16 profile bolt carrier machined from 8620 steel and finished with Salt Bath Nitriding. The gas key is properly staked...MSRP: $85.95$69.95 -
Toolcraft Nickel Boron .223/5.56/300BLK M16 Profile Bolt Carrier Group
Toolcraft Inc.
MSRP: $159.95$134.95Toolcraft Nickel Boron .223/5.56/300BLK M16 Profile Bolt Carrier Group Features 5.56/.223/.300 Black Out Full Auto Capable Carpenter 158 MPI and HPT Tested Bolt Case Hardened 8620 Carrier 4130 Gas Key Grade 8 Hardware With Proper Staking Gas Key Sealed...MSRP: $159.95$134.95 -
Microbest 5.56 NATO AR 15 Bolt Carrier Group - Black Nitride
Microbest
MSRP: $134.95$124.95Microbest 5.56 NATO AR 15 Bolt Carrier Group - Black Nitride The Microbest 5.56 NATO AR-15 Bolt Carrier is known for being the benchmark for quality and reliability throughout the industry. Microbest not only manufactures its own bolt carriers but also...MSRP: $134.95$124.95 -
Microbest Mil-Spec C158 HPT/MPI 5.56 Bolt Carrier Group - Phosphate/Chrome-Lined
Microbest
MSRP: $149.95$134.95Microbest Mil-Spec C158 HPT/MPI 5.56 Bolt Carrier Group - Phosphate/Chrome-Lined The Microbest BCG has been designed from the ground up with the most avid shooters in mind, using only the best materials available on the market today. The...MSRP: $149.95$134.95 -
Lightweight .223/5.56 Bolt Carrier Group - Black Nitride
Black Rifle Depot
MSRP: $129.99$108.95Lightweight .223/5.56 Bolt Carrier Group - Black Nitride Precision Engineering for Reduced Recoil and Improved Accuracy Elevate your AR-15’s performance with the Lightweight .223/5.56 Bolt Carrier Group. Precision-machined to MIL-SPEC standards,...MSRP: $129.99$108.95 -
Dirty Bird Dedicated 22 LR Stainless Steel Bolt Carrier Group
Dirty Bird Industries
MSRP: $169.99$152.95Dirty Bird Dedicated 22 LR Stainless Steel Bolt Carrier Group The Dirty Bird 22LR Bolt Carrier Group is perfect for an easy conversion to a dedicated .22LR setup and works with CMMG components. Our 22 LR BCG also works with Black Dog Machine...MSRP: $169.99$152.95 -
AR 15/M16 Bolt Carrier Group 6.8 SPC .224 Valkyrie Black Nitride
Black Rifle Depot
MSRP: $149.95$139.95AR 15/M16 Bolt Carrier Group 6.8 SPC .224 Valkyrie Black Nitride These Black Rifle Depot AR 15 bolt carrier group is the perfect BCG for your next AR 15 build. Properly built, no corners cut and 100 percent made in the USA. With a lifetime...MSRP: $149.95$139.95 -
A*B Arms AR-15/M16 Bolt Carrier Group Small Parts Kit
A*B Arms
$19.99A*B Arms AR-15/M16 Bolt Carrier Group Small Parts Kit Genuine, Mil-spec, high quality parts for those AR-15/M-16 small parts that wear down, break, or simply get lost. With this Small Parts Kit on hand, you'll always have the parts you need to keep your...$19.99 -
Sons of Liberty Gun Works AR 15 Bolt Carrier Group
Sons of Liberty Gun Works
MSRP: $199.00$179.95Sons of Liberty Gun Works AR 15 Bolt Carrier Group Precision Built to Exceed Mil-Spec Standards The Sons of Liberty Gun Works AR-15 Bolt Carrier Group is engineered for durability and reliability, meeting and surpassing Mil-Spec expectations. Built from...MSRP: $199.00$179.95 -
AR-15 9310 Bolt Assembly - Black Nitride
Black Rifle Depot
MSRP: $69.95$52.95AR-15 9310 Bolt Assembly - Black Nitride Made from 9310 Steel which has a high core hardness and high fatigue strength unlike standard Hot/cold rolled 9310 steels. This is a Mil-Spec bolt assembly with enhanced features for those looking to...MSRP: $69.95$52.95 -
Faxon Chameleon M16 Bolt Carrier Group
Faxon Firearms
MSRP: $199.00$183.95Faxon Chameleon M16 Bolt Carrier Group We just can't help not accepting the status quo. Bolt carrier groups are available aplenty, but few could meet our exacting standards for performance and value. Seeing "MIL-SPEC" as just the starting point, we set...MSRP: $199.00$183.95 -
KAK Industry K-SPEC 9310 AR-15 5.56/.223/300BLK Bolt Carrier Group - NP3
KAK Industry
MSRP: $269.95$242.00KAK Industry K-SPEC 9310 AR-15 5.56/.223/300BLK Bolt Carrier Group - NP3 The K-SPEC BCG combines multiple key features focused on increasing the reliability of your AR15 style firearm no matter if you are running suppressed or unsuppressed, and...MSRP: $269.95$242.00 -
Forward Controls Design Cam Pin With Witness Mark - Nitrided
Forward Controls Design
MSRP: $13.00$12.50Forward Controls Design Cam Pin With Witness Mark - Nitrided The cam pin is a part of your rifle that pretty much shooters put any thought into. Whenever we clean our BCG, we'll just reinstall the cam pin without thinking about how it can wear. According...MSRP: $13.00$12.50 -
KAK Industry K-SPEC C158 AR-15 5.56/.223/300BLK Bolt Carrier Group - Chrome Lined Phosphate
KAK Industry
MSRP: $219.95$199.95KAK Industry K-SPEC C158 AR-15 5.56/.223/300BLK Bolt Carrier Group - Chrome Lined Phosphate The K-SPEC BCG combines multiple key features focused on increasing the reliability of your AR15 style firearm no matter if you are running suppressed or...MSRP: $219.95$199.95 -
Toolcraft 7.62x39 M16 Profile Bolt Carrier Group - Black Nitride
Toolcraft Inc.
MSRP: $159.99$129.95Toolcraft 7.62x39 M16 Profile Bolt Carrier Group - Black Nitride Reliable, Durable, and Made in the USA with a Lifetime Warranty Upgrade your AR-15 chambered in 7.62x39 with the Toolcraft M16 Profile Bolt Carrier Group, designed for exceptional...MSRP: $159.99$129.95 -
A*B Arms AR-15/M16 Cam Pin - Nickel Boron
A*B Arms
$9.99A*B Arms AR-15/M16 Cam Pin - Nickel Boron Most AR-15 owners and shooters put little thought into the cam pin, aside from a brief bought of mild frustration if it decides to be a little stubborn when you're dis- or reassembling your bolt carrier group...$9.99 -
AR-15/M16 Gas Key - Phosphate/Chrome-Lined
Black Rifle Depot
MSRP: $11.99$10.95AR-15/M16 Gas Key - Phosphate/Chrome-Lined Mil-Spec Gas Key for Reliable Cycling and Durability The AR-15/M16 Gas Key is a mil-spec replacement part designed to ensure reliable operation of your AR-15 or M16. Manufactured with precision and finished with...MSRP: $11.99$10.95 -
AR-15 .223/5.56 Bolt Carrier Group - DLC
Black Rifle Depot
MSRP: $139.95$129.95AR-15 .223/5.56 Bolt Carrier Group - DLC The .223/5.56 DLC Bolt Carrier Group was designed with strength in mind. Starting with a 9310 Steel Bolt, which is aircraft-grade material, this bolt has a high core strength rating, a high fatigue strength, and a...MSRP: $139.95$129.95 -
CMC Triggers AR 15 Enhanced Bolt Carrier Group - 5.56
CMC Triggers
$199.99CMC Triggers Enhanced Bolt Carrier Group The CMC Triggers Enhanced Bolt Carrier Group was designed for shooters who demand superior performance from weapon components at the heart of their firearm. CMC proudly manufactures the highest quality firearms...$199.99 -
Dirty Bird AR-15 5.56/.223/300BLK Bolt Carrier Group Phosphate/Chrome-Lined
Dirty Bird Industries
MSRP: $149.95$125.95Dirty Bird AR-15 5.56/.223/300BLK Bolt Carrier Group Phosphate/Chrome-Lined The Dirty Bird AR-15 Bolt Carrier Group comes fully assembled and ready to be dropped in. The carrier body is machined from 8620 steel, heat treated, & MP inspected...MSRP: $149.95$125.95 -
Faxon Firearms 6.5 Grendel 9310 Bolt Carrier Group Complete - Nitride
Faxon Firearms
MSRP: $165.00$151.95Faxon Firearms 6.5 Grendel 9310 Bolt Carrier Group Complete - Nitride Bolt: Type II (.136") bolt 9310 Tool Steel Construction (Stronger than C158) Full MIL-SPEC Heat Treatment Shot Peened to MIL-SPEC Magnetic Particle Inspection (MPI) Back of Lugs...MSRP: $165.00$151.95 -
9mm Bolt Carrier Group - Black Nitride
Black Rifle Depot
MSRP: $119.95$109.959mm Bolt Carrier Group - Black Nitride Building a 9mm rifle? This 9mm Bolt Carrier Group (BCG) ensures smooth cycling and reliable performance. Machined from 8620 steel and finished with a durable QPQ Black Nitride coating, it offers longevity and...MSRP: $119.95$109.95 -
Dirty Bird Industries Enhanced Bolt Carrier Group .223/5.56
Dirty Bird Industries
MSRP: $149.95 - $181.95$134.95 - $159.95Dirty Bird Industries Enhanced Bolt Carrier Group .223/5.56 The Dirty Bird Enhanced Bolt Carrier Group for .223/5.56 features a unique carrier design with practical improvements in two key areas: Strategically relocated load bearing...MSRP: $149.95 - $181.95$134.95 - $159.95 -
Toolcraft .223/5.56/300 BLK M16 C158 Profile Bolt Carrier Group - P51 (Polished DLC)
Toolcraft Inc.
MSRP: $179.95$169.95Toolcraft .223/5.56/300 BLK M16 C158 Profile Bolt Carrier Group - P51 (Polished DLC) This Toolcraft P51+ Polished DLC BCG is made with a carpenter 158 bolt with a full-auto profile, designed to be used in AR-15 & M-16 style rifles. Bolt is...MSRP: $179.95$169.95 -
Toolcraft 6.5 Grendel Bolt Carrier Group - Black Nitride
Toolcraft Inc.
MSRP: $159.95$119.95Black Nitride 6.5 Grendel Bolt Carrier Group Durable, Precision-Machined Performance for Your AR-15 Build The Toolcraft Black Nitride 6.5 Grendel Bolt Carrier Group offers exceptional quality and performance for AR-15 enthusiasts seeking a reliable,...MSRP: $159.95$119.95 -
7.62x39 M16 Profile Bolt Carrier Group
Black Rifle Depot
MSRP: $139.99$108.957.62x39 M16 Profile Bolt Carrier Group Engineered for Superior Strength and Reliability The 7.62x39 Black Nitride Bolt Carrier Group (BCG) is meticulously designed for durability and consistent performance. Starting with a robust 9310 Steel Bolt, this...MSRP: $139.99$108.95 -
A*B Arms AR-15/M16 Firing Pin - Chrome
A*B Arms
$10.99A*B Arms AR-15/M16 Firing Pin - Chrome AR-15 Mil-Spec Firing Pin. Made from AISI 8740 steel and chrome plated$10.99 -
A*B Arms Pro 5.56 Bolt Assembly - Nickel Boron
A*B Arms
$99.99A*B Arms Pro 5.56 Bolt Assembly - Nickel Boron American Built Arms Nickel Boron 5.56mm Bolt Assembly. Made in the USA to Mil-Spec dimensions, this C-158 steel bolt features a Nickel Boron coating. The E4140 steel extractor and has a Manganese Phosphate...$99.99 -
Centurion Arms AR-15 5.56 Chrome Carrier - Sand Rail Cut
Centurion Arms
MSRP: $200.00$190.00Centurion Arms AR-15 5.56 Chrome Carrier - Sand Rail Cut (Carrier ONLY) The Centurion Arms Sandcutter Bolt Carrier is a ready drop-in bolt carrier for use with your existing components. The bolt carrier is finished in hard chrome for easier cleaning and...MSRP: $200.00$190.00 -
Lantac Enhanced Bolt Carrier Group 5.56 Black Nitride
Lantac USA
MSRP: $279.99$251.99Lantac Enhanced Bolt Carrier Group 5.56 Black Nitride The Lantac Full Auto Bolt Carrier Group .223/5.56 is machined from 8620 steel with a QPQ (Quench Polish Quench) nitride coated black finish. This BCG features shrouded forward-facing gas ports that...MSRP: $279.99$251.99 -
Rosco Manufacturing Bloodline 5.56/300BLK M16 Bolt Carrier Group - Nitride
Rosco Manufacturing
MSRP: $140.00$126.95Rosco Manufacturing Bloodline 5.56/300BLK M16 Bolt Carrier Group - Nitride These 5.56 / 300 BLK Bolt Carrier Groups are Melonited, Full-Auto rated, are properly staked, and the bolts are Matched to the barrel. Check your local laws and regulations on...MSRP: $140.00$126.95 -
VKTR Industries AR-15 Direct Impingement 5.56/.223 Bolt Carrier Group - Hard Chrome
VKTR Industries
$275.00VKTR Industries AR-15 Direct Impingement 5.56/.223 Bolt Carrier Group - Hard Chrome Elevate your AR-platform rifle with the VKTR Complete Direct-Impingement Bolt Carrier Group. This precision-machined component boasts a patented long-advance cam path for...$275.00 -
A*B Arms AR-15/M16 Bolt Carrier Group Essential Parts Kit
A*B Arms
$59.99A*B Arms AR-15/M16 Bolt Carrier Group Essential Parts Kit A*B Arms is built stronger because sometimes, lives are on the line. Their products stand up to the rigors of combat, police and private security operations, where failure is not an option.The AR...$59.99 -
Centurion Arms AR-15 5.56 Chrome BCG, Sand Rail Cut w/ Chrome V2 Bolt
Centurion Arms
MSRP: $325.00$308.75Centurion Arms AR-15 5.56 Chrome BCG, Sand Rail Cut w/ Chrome V2 Bolt The Centurion Arms V2 is the next evolution in high-reliability bolt carrier groups for use in standard barrel extensions. The V2 Sandcutter Chrome Bolt Carrier Group from Centurion...MSRP: $325.00$308.75 -
Dirty Bird Industries Sand-Cut Bolt Carrier Group .223/5.56
Dirty Bird Industries
MSRP: $154.95 - $174.95$139.95 - $159.95Dirty Bird Industries Sand-Cut Bolt Carrier Group .223/5.56 Reliability in Any Environment Engineered for ultimate performance in the harshest conditions, the Dirty Bird Industries Sand-Cut Bolt Carrier Group (BCG) for .223/5.56 delivers unmatched...MSRP: $154.95 - $174.95$139.95 - $159.95 -
Faxon Firearms 6.8/.224 Valkyrie AR-15 Bolt Carrier Group - Nitride
Faxon Firearms
MSRP: $165.00$156.95Faxon Firearms 6.8/.224 Valkyrie AR-15 Bolt Carrier Group - Nitride The Faxon Firearms 6.8/.224 Valkyrie Bolt Carrier Group is designed for long lasting reliability. The Bolt itself is made out of 9310 tool steel and Nitride coated to increase surface...MSRP: $165.00$156.95