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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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 -
Out of stock
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 -
Out of stock
APOC Armory Black Nitride Bolt Carrier Group 6.8
Apoc Armory
$109.95APOC Armory Black Nitride Bolt Carrier Group 6.8 Grendel | BCG This is the Black Nitride 6.8 BCG you have been looking for. This Apoc Armory 6.8 BCG carries a limited lifetime warranty and is proudly made in the United States. Shop with...$109.95 -
Out of stock
APOC Armory Nickel Boron Bolt Carrier Group 7.62 x 39
Apoc Armory
$159.95APOC Armory Nickel Boron Bolt Carrier Group 7.62 x 39 | BCG Quality you can trust with dependability you can count on. APOC Armory is known for high quality parts at affordable prices. Shop for APOC Armory at Black Rifle Depot and get the products...$159.95 -
Out of stock
F-1 Firearms DuraBolt AR 15 Bolt Carrier Group Assembly - Titanium Nitride
F-1 Firearms
MSRP: $275.00$264.95F-1 Firearms DuraBolt AR 15 Bolt Carrier Group Assembly - Titanium Nitride The F-1 Firearms DuraBolt AR 15 Bolt Carrier Group Assembly in Titanium Nitride (TiN) offers a premium and durable solution for AR15 enthusiasts. This full-auto-rated M16/M4 bolt...MSRP: $275.00$264.95 -
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 -
Out of stock
FailZero M16/M4 Black Nitride Bolt Carrier Group
MSRP: $119.99$119.95FailZero M16/M4 Black Nitride Bolt Carrier Group - No Hammer FailZero brings you the M16/M4 Bolt Carrier Group, the epitome of high-quality components and precise manufacturing, designed to elevate your firearm's performance. This product features no...MSRP: $119.99$119.95 -
Kaw Valley Precision .45 ACP Bolt Carrier Group - Black Nitride
Kaw Valley Precision
MSRP: $159.95$144.95Kaw Valley Precision .45 ACP Bolt Carrier Group - Black Nitride The KVP .45 ACP BCG is a feature packed solution for your Blow Back Carbine or Pistol. Our BCG is compatible with Glock style magazines. The carrier is constructed of US made 8620 steel,...MSRP: $159.95$144.95 -
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 -
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 -
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 -
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 -
Battle Arms 9MM Enhanced Blowback AR15 Bolt Carrier Group
Battle Arms Development
MSRP: $179.00$169.95Battle Arms 9MM Enhanced Blowback AR15 Bolt Carrier Group Enhanced 9mm Blowback AR-15 Bolt Carrier Group is compatible with both COLT and GLOCK magazine configurations. Features reliable AR-15 style extractor claw with O-Ring and spring and broad trigger...MSRP: $179.00$169.95 -
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 -
BCA M16 Cut 7.62x39mm Complete Bolt Carrier Group - Black Nitride
Bear Creek Arsenal
$77.95BCA M16 Cut 7.62x39mm Complete Bolt Carrier Group - Black Nitride BCA's Bolt carrier groups come MPI inspected. Perfect for your next 762.39 AR-15 build. Specifications SKU: BCG762-15 Brand: Bear Creek Arsenal Caliber / Gauge: 7.62 Carrier Style:...$77.95 -
Out of stock
CMMG 6.5 Grendel AR 15 Bolt Carrier Group
CMMG
$174.95CMMG 6.5 Grendel AR 15 Bolt Carrier Group This BCG is designed to operate with either 6.5 Grendel or Hornady's new 6mm ARC. Will not work with CMMG MkW platform. It is designed for standard AR variants. Features: CALIBER: 6.5 Grendel/6mm ARC$174.95 -
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 -
On Sale
Dirty Bird Industries Enhanced Bolt Carrier Group .223/5.56
Dirty Bird Industries
MSRP: $149.95 - $181.95$129.95 - $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$129.95 - $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
F-1 Firearms DuraBolt 7.62 Bolt Carrier Group - Chrome
F-1 Firearms
MSRP: $290.00$279.95F-1 Firearms DuraBolt 7.62 NATO Bolt Carrier Group Assembly - Chrome Nitride Experience superior performance and reliability with the F-1 Firearms DuraBolt 7.62 NATO Bolt Carrier Group Assembly in Chrome Nitride. This bolt carrier group is engineered to...MSRP: $290.00$279.95 -
Out of stock
F-1 Firearms DuraBolt AR 15 Bolt Carrier Group - DLC Finish
F-1 Firearms
$275.95F-1 Firearms DuraBolt AR 15 Bolt Carrier Group Assembly - DLC Finish Experience optimal reliability and performance with the F-1 Firearms DuraBolt AR 15 Bolt Carrier Group Assembly, featuring a DLC finish. This full-auto-rated bolt carrier group ensures...$275.95 -
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 -
Out of stock
FailZero EXO 9mm Bolt Carrier Group Black Nitride
FailZero
$179.99FailZero EXO 9mm Bolt Carrier Group Black Nitride This 9mm Bolt Carrier Group (BCG) comes fully assembled and ready to drop into most 9mm AR platform rifles and pistols. The FailZero Black Nitride 9mm BCG is compatible with both lowers designated for...$179.99 -
Out of stock
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 -
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
Foxtrot Mike Products Premium .45 ACP AR-15 Bolt Carrier Assembly
Foxtrot Mike
MSRP: $119.00$109.95Foxtrot Mike Products Premium .45 ACP AR-15 Bolt Carrier Assembly Precision Engineering for GLOCK-Style AR Builds Elevate your AR-15’s performance with the Foxtrot Mike Products Premium .45 ACP Bolt Carrier Assembly. Designed to work seamlessly...MSRP: $119.00$109.95 -
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 -
On Sale
Lantac Enhanced Bolt Carrier Group 5.56 Black Nitride
Lantac USA
MSRP: $290.99Now: $219.95Was: $290.99Lantac 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: $290.99Now: $219.95Was: $290.99