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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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
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
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 -
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 -
Out of stock
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 -
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 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
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
KAK Industry K-SPEC C158 AR-15 5.56/.223/300BLK Bolt Carrier Group - Chrome
KAK Industry
MSRP: $259.95$249.95KAK Industry K-SPEC C158 AR-15 5.56/.223/300BLK Bolt Carrier Group - Chrome Patent Pending 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: $259.95$249.95 -
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 -
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
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 -
Out of stock
FailZero EXO M16/4 Bolt Carrier Group - Nickel
FailZero
MSRP: $189.95$174.99FailZero EXO M16/4 Bolt Carrier Group - Nickel FailZero M16/M4 Bolt Carrier Group, No Hammer to guarantee your rifle performs in any situation. These Bolt Carrier Groups made by FailZero come fully-assembled for easy drop-in installation on most Mil-Spec...MSRP: $189.95$174.99 -
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 -
Out of stock
Sons of Liberty Gun Works AR-15 .223/5.56 Bolt Carrier Group - Hard Chrome
Sons of Liberty Gun Works
MSRP: $250.00$237.95Sons of Liberty Gun Works AR-15 .223/5.56 Bolt Carrier Group - Hard Chrome Uncompromising Quality and Performance The Sons of Liberty Gun Works AR-15 .223/5.56 Bolt Carrier Group (BCG) is built to deliver unmatched reliability and precision. Every...MSRP: $250.00$237.95 -
Out of stock
Spike's Tactical AR 15 Nickel Boron Bolt Carrier Group
Spike's Tactical
MSRP: $225.00$219.95Spike's Tactical AR 15 Nickel Boron Bolt Carrier Group Your Bolt Carrier Group is one of the most critical parts of your build. Don't buy an imitation. This is the Spike's Tactical BCG with Nickel Boron Coating. Features: Nickel Boron Coating...MSRP: $225.00$219.95 -
Toolcraft .223/5.56/300 BLK C158 M16 Profile Bolt Carrier Group - Black Nitride
Toolcraft Inc.
MSRP: $129.99$109.95Toolcraft .223/5.56/300 BLK C158 M16 Profile Bolt Carrier Group - Black Nitride Toolcraft Inc. is an OEM manufacturer of bolt carrier groups (BCGs) for many AR15 makers. These companies know they can trust Toolcraft quality and are proud to have their...MSRP: $129.99$109.95 -
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 -
Out of stock
A*B Arms Pro 5.56 NATO Bolt Carrier Group - Nickel Boron
A*B Arms
$199.99A*B Arms Pro 5.56 NATO Bolt Carrier Group - Nickel Boron 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 A*B...$199.99 -
Out of stock
Aero Precision .224 Valkyrie/6.8 SPC Bolt Carrier Group, Complete - Black Nitride
Aero Precision
MSRP: $159.00$147.95Aero Precision .224 Valkyrie/6.8 SPC Bolt Carrier Group, Complete - Black Nitride The Aero Precision .224 Valkyrie Bolt Carrier Group for AR-15 rifles is made from high quality materials with quality assurance measures like high pressure testing and...MSRP: $159.00$147.95 -
Out of stock
Ballistic Advantage AR-15 5.56/.223 Bolt Carrier Group Black Nitride
Ballistic Advantage
$129.99Ballistic Advantage AR-15 5.56/.223 Bolt Carrier Group Black Nitride Premium Performance and Durability for Your AR-15 Rifle The Ballistic Advantage AR-15 5.56/.223 Bolt Carrier Group is built for reliable performance and durability. Coated in Black...$129.99 -
Out of stock
Battle Arms M16 .223/5.56 Bolt Carrier Group - Nitride
Battle Arms Development
MSRP: $145.00$142.95Battle Arms M16 .223/5.56 Bolt Carrier Group - Nitride The Battle Arms Development Bolt Carrier Group features an M16 cut profile which is heavier than an AR-15 cut profile to prevent bolt bounce and slow down the cyclic rate for a more controllable and...MSRP: $145.00$142.95 -
Out of stock
Colt's Manufacturing Mil-Spec Bolt Carrier Group 223Rem/556NATO - Black
Colt Manufacturing
$229.99Colt's Manufacturing Mil-Spec Bolt Carrier Group 223Rem/556NATO - Black This Colt Mil-Spec 5.56 Bolt Carrier Group is made to Mil-Spec for long lasting reliability and durability. Made from high quality steel with a durable matte black Parkerized finish,...$229.99 -
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 -
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 -
Out of stock
FailZero EXO 5.56/.223 M16 Bolt Carrier Group - Black Nitride
FailZero
MSRP: $169.99$159.95FailZero EXO 5.56/.223 M16 Bolt Carrier Group - Black Nitride Not all Nickel Boron is created equal and FailZero is the undisputed pioneer of Nickel Boron technology. When failure is not an option, you can depend on FailZero.The M16 Bolt Carrier Group is...MSRP: $169.99$159.95 -
Out of stock
FailZero EXO 5.56/.223 M16 Bolt Carrier Group - Nickel Boron
FailZero
MSRP: $159.99$149.95FailZero EXO 5.56/.223 M16 Bolt Carrier Group - Nickel Boron Not all Nickel Boron is created equal and FailZero is the undisputed pioneer of Nickel Boron technology. When failure is not an option, you can depend on FailZero. The M16 Bolt Carrier Group is...MSRP: $159.99$149.95 -
Forward Controls Design NP3 M16 Bolt Carrier Group
Forward Controls Design
$275.00Forward Controls Design NP3 M16 Bolt Carrier Group High-Quality Construction with Enhanced Durability and Performance Forward Controls Design takes the M16 bolt carrier group to new heights with a focus on high-quality materials, thoughtful enhancements,...$275.00 -
Out of stock
Geissele .223/5.56 Reliability Enhanced Bolt Carrier Group
Geissele Automatics
$385.00Geissele .223/5.56 Reliability Enhanced Bolt Carrier Group The Reliability Enhanced Bolt Carrier Group (REBCG) is a 5.56mm full-mass, full-auto rated M16/M4 bolt carrier group manufactured in Geissele’s state-of-the-art manufacturing facility in...$385.00 -
Geissele Automatics Reliability Enhancement Kit - H1
Geissele Automatics
$425.00Geissele Automatics Reliability Enhancement Kit - H1 The Geissele Automatics Reliability Enhancement kit comes with the enhanced 5.56 BCG, Super 42 braided buffer spring, and H1 buffer weight. The Enhanced Bolt Carrier Group is a full mass M16 profile...$425.00 -
Geissele Automatics Reliability Enhancement Kit - H2
Geissele Automatics
$440.00Geissele Automatics Reliability Enhancement Kit - H2 The Geissele Automatics Reliability Enhancement kit comes with the enhanced 5.56 BCG, Super 42 braided buffer spring, and H2 buffer weight. The Enhanced Bolt Carrier Group is a full mass M16 profile...$440.00 -
Out of stock
Geissele Automatics Reliability Enhancement Kit - H3
Geissele Automatics
$455.00Geissele Automatics Reliability Enhancement Kit - H3 The Geissele Automatics Reliability Enhancement kit comes with the enhanced 5.56 BCG, Super 42 braided buffer spring, and H3 buffer weight. The Enhanced Bolt Carrier Group is a full mass M16 profile...$455.00 -
Lantac Enhanced AR-15/M16 Bolt Carrier Group
Lantac USA
MSRP: $290.99$261.99Lantac Enhanced AR-15/M16 Bolt Carrier Group LANTAC USA manufactures the highest quality accessories for AR-15/M16 pattern rifles. Precision made in the U.S.A., rifles, muzzle brakes and more.The Enhanced Bolt Carrier Group is precision machined from...MSRP: $290.99$261.99 -
Lantac Enhanced AR-15/M16 Bolt Carrier Group - TiN
Lantac USA
MSRP: $339.99$305.99Lantac Enhanced AR-15/M16 Bolt Carrier Group - TiN Precision Machined for Ultimate Performance with Titanium Nitride Coating The LANTAC E-BCG (Enhanced Bolt Carrier Group) is crafted for unmatched performance in your AR-15 or M16 platform. Precision...MSRP: $339.99$305.99 -
Lantac Enhanced Bolt Carrier Group 5.56 Black Nitride
Lantac USA
MSRP: $290.99$261.99Lantac 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: $290.99$261.99 -
Out of stock
LBE Unlimited AR-15 5.56/.223 Bolt Carrier Group - Phosphate
LBE Unlimited
$169.99LBE Unlimited AR-15 5.56/.223 Bolt Carrier Group - Phosphate The LBE M16 Complete Bolt Carrier Group comes assembled and ready to go. Features include: Phosphate 8620 Steel Carrier, Carpenter 158 Bolt (Extractor and Bolt Gas Rings Included), Chrome...$169.99 -
Out of stock
Luth-AR .223/5.56 MPI Bolt Carrier Group - Semi-Auto Profile - Mag Phos - Chrome Lined
Luth-AR
MSRP: $119.95$109.95Luth-AR .223/5.56 MPI Bolt Carrier Group - Semi-Auto Profile - Mag Phos - Chrome Lined Luth-AR .223/5.56 Semi Auto Profile Bolt Carrier Group featuring a Mag Phosphate Finish and Chrome Lining. Bolt is MPI tested.MSRP: $119.95$109.95