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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Out of stock
.223/5.56 Bolt Carrier Group - Blue PVD
Black Rifle Depot
MSRP: $139.95$119.95.223/5.56 Bolt Carrier Group - Blue PVD The .223/5.56 Bolt Carrier Group - Blue PVD is an ideal choice for your next AR15 build, offering compatibility and top-tier performance. Its PVD coating by Ionbond provides a hard surface, making cleaning easier...MSRP: $139.95$119.95 -
.223/5.56 Bolt Carrier Group - Chameleon
Black Rifle Depot
MSRP: $139.95$119.95.223/5.56 Bolt Carrier Group - Chameleon This M16 bolt carrier group is the perfect BCG for your next build and is compatible with any AR-15 build. The PVD coating by Ionbond provides a very low coefficient of friction while providing a unique look and...MSRP: $139.95$119.95 -
Out of stock
AERO Precision 9mm Bolt Carrier Group, Direct Blowback - Nitride
Aero Precision
MSRP: $199.00$173.95AERO Precision 9mm Bolt Carrier Group, Direct Blowback - Nitride Introducing the Aero Precision 9mm Bolt Carrier Group, Direct Blowback - Nitride, the essential component for your EPC build. Crafted from durable 8620 steel and treated with a nitride...MSRP: $199.00$173.95 -
Out of stock
AR-15 .223/5.56 Bolt Carrier Group - FDE PVD
Black Rifle Depot
MSRP: $149.95$129.95AR-15 .223/5.56 Bolt Carrier Group - FDE PVD The M16 bolt carrier group is the perfect BCG for your next build and is compatible with any AR15 build. The "Armor Guard" PVD coating on these BCGs provides a very low coefficient of friction while providing...MSRP: $149.95$129.95 -
Out of stock
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 -
Out of stock
Toolcraft .223/5.56/300 BLK M16 Profile Bolt Carrier Group Ion Bond DLC - Grey
Toolcraft Inc.
MSRP: $209.95$189.95Toolcraft .223/5.56/300 BLK M16 Profile Bolt Carrier Group Ion Bond DLC - Grey The Palmetto State Armory DLC coated Bolt Carrier Group was designed with the serious AR enthusiast in mind. The bolt is made of Mil-spec Carpenter 158 steel, shot peened and...MSRP: $209.95$189.95 -
Out of stock
Aero Precision AR-15 5.56/.223 Bolt Carrier Group w/ Carrier Grooves - Black Nitride
Aero Precision
MSRP: $170.00$149.95Aero Precision AR-15 5.56/.223 Bolt Carrier Group w/ Carrier Grooves - Black Nitride Precision-Engineered, High-Quality BCG for Your AR-15 Build. The Aero Precision AR-15 5.56/.223 Bolt Carrier Group (BCG) is the perfect addition to any AR build,...MSRP: $170.00$149.95 -
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 -
Dirty Bird Industries 9mm Bolt Carrier Group
Dirty Bird Industries
MSRP: $139.95$125.95Dirty Bird Industries 9mm Bolt Carrier Group Introducing the Dirty Bird Industries 9mm Bolt Carrier. Made out of 8620 Steel, and designed to work with Colt and Glock style magazines, this BCG is designed to make sure that you will not have any...MSRP: $139.95$125.95 -
Out of stock
Faxon Firearms 9mm Bolt Carrier Group Complete, Glock & Colt Compatible Nitride
Faxon Firearms
MSRP: $165.00$151.95Faxon Firearms 9mm Bolt Carrier Group Complete, Glock & Colt Compatible Nitride Purpose-built for 9mm AR-15 pistol caliber carbines, our Generation 2 PCC blow-back carriers keep the features of our well-loved first BCG with modern...MSRP: $165.00$151.95 -
Out of stock
Faxon Firearms Black Nitride 5.56/300 BLK M16 Bolt Carrier Group
Faxon Firearms
MSRP: $145.00$133.95Faxon Firearms Black Nitride 5.56/300 BLK M16 Bolt Carrier Group | BCG Faxon Bolt Carrier Groups are Mil-Spec with a "Superfinish" to increase the overall smoothness of operation, help reduce friction, and dramatically reduce fouling. They...MSRP: $145.00$133.95 -
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 -
Out of stock
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 -
Wilson Combat .223/5.56/300 BLK M16 Profile Bolt Carrier Group Nickel Boron
Wilson Combat
$199.95Wilson Combat .223/5.56/300 BLK M16 Profile Bolt Carrier Group Nickel Boron Manufactured by our finest domestic, Mil-Spec contractors these are among the best AR rifle bolts on the market and the same bolt carrier groups we use as the basis of our...$199.95 -
Out of stock
Ambidextrous Side Charging AR 15 Bolt Carrier Group (BCG)
Bear Creek Arsenal
$129.95Ambidextrous Side Charging AR 15 Bolt Carrier Group (BCG) The Bear Creek Arsenal Side Charging AR 15 Bolt Carrier Group is a great choice for your next build. Shop Bear Creek Arsenal products with confidence at Black Rifle Depot and get the...$129.95 -
Out of stock
Anderson Manufacturing AR 15 Bolt Carrier Group W/Logo
Anderson Manufacturing
$114.95Anderson Manufacturing AR 15 Bolt Carrier Group W/Logo The Packaged - AM-15 Bolt Carrier Group - .223 comes packaged so it's easier to wrap as a gift for Holidays, Birthdays, or Other Special Occasions! The .223 Bolt and Bolt Carrier Assembly comes...$114.95 -
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 -
Out of stock
Spike's Tactical 5.56/.223 M16 Cut Bolt Carrier Group - Phosphate
Spike's Tactical
$149.95Spike's Tactical 5.56/.223 M16 Cut Bolt Carrier Group - Phosphate Your bolt carrier group is one of the most critical parts of your build. Don't buy an imitation. This is the same BCG Spike’s uses on their builds. These complete bolt carrier groups...$149.95 -
Out of stock
Toolcraft .223/5.56/300 BLK M16 Profile Bolt Carrier Group - Nickel Boron
Toolcraft Inc.
MSRP: $154.95$129.95Toolcraft .223/5.56/300 BLK M16 Profile Bolt Carrier Group - Nickel Boron The Toolcraft 5.56×45 NATO/.223 Rem (or .300 Blackout) Bolt Carrier Group comes in the Nickel Boron finish to reduce overall wear and friction, and for...MSRP: $154.95$129.95 -
.45 ACP Enhanced Bolt Carrier Group - Black Nitride
Black Rifle Depot
MSRP: $165.00$135.00.45 ACP Enhanced Bolt Carrier Group - Black Nitride The BRD Enhanced 45 Bolt assembly is designed for AR-15 style rifles chambered for .45 ACP with a direct blowback system. This bolt is weighted with Tungsten weights adding up to 16 ounces total in...MSRP: $165.00$135.00 -
Centurion Arms C4 5.56 M16 Bolt Carrier Group
Centurion Arms
MSRP: $185.00$175.95Centurion Arms Bolt Carrier Group Precision Engineering for Reliable AR Performance The Centurion Arms C4 Bolt Carrier Group delivers the reliability and durability you need for your AR platform. Built with MPI-tested bolts and a full auto carrier, this...MSRP: $185.00$175.95 -
CMC Triggers AR 15 Enhanced Bolt Carrier Group - 5.56
CMC Triggers
$199.99CMC Triggers Enhanced Bolt Carrier Group CMC Triggers Enhanced Bolt Carrier Group was designed for shooters who demand superior performance weapon components in the heart of their firearm. CMC proudly manufactures the highest quality firearms components...$199.99 -
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 -
On Sale
Lightweight .223/5.56 Bolt Carrier Group - Nickel Boron
Black Rifle Depot
MSRP: $169.95Now: $109.95Was: $139.95Lightweight .223/5.56 Bolt Carrier Group - Nickel Boron Enhanced Performance and Reduced Recoil for Precision Shooting The Lightweight 5.56/.223 Nickel Boron Bolt Carrier Group (BCG) for the AR-15 platform is precision engineered to MIL-SPEC standards...MSRP: $169.95Now: $109.95Was: $139.95 -
Out of stock
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 -
9mm Bolt Carrier Group TiN
Black Rifle Depot
MSRP: $159.95$149.959mm Bolt Carrier Group TiN If you are looking to build a 9mm Rifle, then this 9MM BCG is exactly what you will need to ensure smooth cycling. The bolts come ramped and in a smooth black nitride finish to ensure longevity.The 9mm BCG is designed to work...MSRP: $159.95$149.95 -
AR 15/M16 Bolt Carrier Group 6.5 Grendel Black Nitride
Black Rifle Depot
MSRP: $149.95$139.95AR 15/M16 Bolt Carrier Group 6.5 Grendel Black Nitride This 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 limited lifetime warranty, you can't go...MSRP: $149.95$139.95 -
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 -
Out of stock
Dirty Bird AR-15 5.56/.223/300BLK Bolt Carrier Group Phosphate/Chrome-Lined
Dirty Bird Industries
MSRP: $149.95$119.95Dirty 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$119.95 -
Out of stock
Faxon Firearms 5.56 LIGHTWEIGHT 9310 Bolt Carrier Group Complete - Nitride
Faxon Firearms
MSRP: $249.00$229.95Faxon Firearms 5.56 LIGHTWEIGHT 9310 Bolt Carrier Group Complete - Nitride When looking at lightweight bolt carrier groups, we were unsatisfied with what the market had to offer. Seeing a capability gap, we set out to create a bolt carrier group that...MSRP: $249.00$229.95 -
Out of stock
JE Machine Tech AR 15 Bolt Carrier Group
JE Machine Tech
MSRP: $115.00$99.95JE Machine Tech AR 15 Bolt Carrier Group With the JE Machine Tech AR 15 Bolt Carrier Group Shoot a huge range of calibers with this bolt carrier group (bcg) compatible with Rear Charging 5.56, 223, 300 Blackout, and 350 Legend AR-15 uppers or...MSRP: $115.00$99.95 -
Out of stock
KAK Industry K-SPEC AR-15 5.56/.223/300BLK Bolt Carrier Group - Chrome Lined Phosphate
KAK Industry
$199.95KAK Industry K-SPEC 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...$199.95 -
Out of stock
ODIN Works Enhanced 9mm Stainless Steel Bolt Carrier Group
Odin Works
MSRP: $169.00$160.95ODIN Works Enhanced 9mm Stainless Steel Bolt Carrier Group Introducing our new ODIN Works Enhanced Series, 9mm bolt carrier group. Innovative and unlike anything in the industry, this feature packed bolt carrier group is the new standard. Features like a...MSRP: $169.00$160.95 -
Rise Armament AR 15/M 16 Nickel Boron Bolt Carrier Group
Rise Armament
MSRP: $189.95$179.99Rise Armament AR 15/M 16 Nickel Boron Bolt Carrier Group The Rise Armament AR 15/M 16 Nickel Boron Bolt Carrier Group is the perfect choice for shooters who demand the best performance and reliability. The high-quality construction and attention to...MSRP: $189.95$179.99 -
Out of stock
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 -
Out of stock
Aero Precision 5.56 Bolt Carrier Group, Complete - Phosphate
Aero Precision
MSRP: $165.00$141.95Aero Precision 5.56 Bolt Carrier Group, Complete - Phosphate This high quality bolt carrier group is a valuable addition to your AR15 build. Features: M16-cut carrier Machined from 8620 steel Carrier has forward assist serrations Mil-Spec phosphate...MSRP: $165.00$141.95 -
Out of stock
Angstadt Arms AR 15 Bolt Carrier Group
Angstadt Arms
$139.99Angstadt Arms AR 15 Bolt Carrier Group The heart of a reliable AR-15 build is a quality 5.56 bolt carrier group assembly. These are the same high quality BCG's Angstadt makes for law enforcement and military groups around the world. Machined to...$139.99 -
Out of stock
APOC Armory Black Nitride Bolt Carrier Group 7.62 BY 39
Apoc Armory
$109.95APOC Armory Black Nitride Bolt Carrier Group 7.62 by 39 | BCG APOC Armory BCG's are considered a very high quality and performing BCG for the price. They are US made and boast an impressive unconditional lifetime warranty. Buy APOC Armory...$109.95 -
ODIN Works Black Nitride Bolt Carrier Group 223REM/556NATO/300BLK
Odin Works
MSRP: $129.00$127.95ODIN Works Black Nitride Bolt Carrier Group 223REM/556NATO/300BLK As an essential part of any rifle, the ODIN Works .223 Black Nitrided, Type 2 bolt face is Mil-Spec and comes with a Case Hardened 8620 Steel Black Nitride Finish. This advanced low...MSRP: $129.00$127.95 -
Aero Precision 6.5 Grendel Bolt Carrier Group, Complete - Black Nitride
Aero Precision
MSRP: $175.00$159.99Aero Precision 6.5 Grendel Bolt Carrier Group, Complete - Black Nitride The recently released 6.5 Grendel Black Nitride Bolt Carrier Group by Aero Precision is a fantastic BCG. Like Aero Precision's other BCGs, this unit is designed for serious usage in...MSRP: $175.00$159.99