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
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 -
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
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 -
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 Nickel Boron Bolt 7.62 BY 39
Apoc Armory
MSRP: $59.95$49.95APOC Armory Nickel Boron Bolt 7.62 BY 39 Features: Chambered For 7.62 by 39 9310 Steel Nickel Boron Finish MPI Tested Proudly Made In The U.S.A Lifetime WarrantyMSRP: $59.95$49.95 -
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
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 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 -
Out of stock
Centurion Arms C4 5.56 M16 Bolt Carrier Group
Centurion Arms
$185.95Centurion 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...$185.95 -
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 -
Out of stock
Daniel Defense M16 Cut Complete AR-15 Bolt Carrier Group
Daniel Defense
$228.00Daniel Defense M16 Cut Complete AR-15 Bolt Carrier Group The Daniel Defense M16 Cut Complete Bolt Carrier Group is a MIL-SPEC, full auto compatible, M16 profile bolt carrier group assembly. The 8620 steel carrier and Carpenter 158 steel bolt assembly...$228.00 -
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 -
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 -
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
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 stockOn Sale
F-1 Firearms DuraBolt AR 15 Bolt Carrier Group - DLC Finish
F-1 Firearms
Now: $259.95Was: $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...Now: $259.95Was: $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 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 -
Faxon Firearms 5.56 LIGHTWEIGHT 9310 Bolt Carrier Group Complete - Nitride
Faxon Firearms
MSRP: $249.00$239.95Faxon 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$239.95 -
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 -
Faxon Firearms 6.8/.224 Valkyrie AR-15 Bolt Carrier Group - Nitride
Faxon Firearms
MSRP: $165.00$151.95Faxon 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$151.95 -
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 -
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 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 -
Out of stock
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 -
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 -
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 -
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 -
Out of stock
LWRC Advanced Direct Impingement Bolt Carrier Group - 6.8SPC
LWRC International
$343.00LWRC Advanced Direct Impingement Bolt Carrier Group - 6.8SPC The Advanced Direct Impingement Bolt Carrier Group offers superior performance, increased reliability, and longer part replacement life cycles than the MIL-STD components. These gains are...$343.00 -
Out of stock
Midwest Industries AR-15 5.56/.223 Bolt Carrier Group - Black Nitride
Midwest Industries
MSRP: $167.95$157.95Midwest Industries AR-15 5.56/.223 Bolt Carrier Group - Black Nitride Premium Black Nitride BCG for Enhanced Performance and Durability The Midwest Industries AR-15 5.56/.223 Bolt Carrier Group is engineered for ultimate durability and smooth...MSRP: $167.95$157.95 -
Out of stock
ODIN Works 18" 6.5 Grendel Intermediate Barrel w/BCG
Odin Works
MSRP: $480.00$475.00ODIN Works 18" 6.5 Grendel Intermediate Barrel w/ BCG The ODIN Works 18" 6.5 Grendal Intermediate Barrel w/BCG is the perfect combo for your next build in 6.5 Grendal. This combo kit comes with the ODIN Works 18" stainless barrel, ODIN BCG, ODIN...MSRP: $480.00$475.00 -
ODIN Works Enhanced 9mm Black Nitride Bolt Carrier Group
Odin Works
$169.00ODIN Works Enhanced 9mm Black Nitride Bolt Carrier Group Innovative Design for Superior 9mm Performance Redefine your AR-9’s performance with the ODIN Works Enhanced 9mm Black Nitride Bolt Carrier Group. Built to be the new industry standard, this...$169.00 -
ODIN Works LOW Mass 223 Black Nitride Bolt Carrier Group
Odin Works
MSRP: $179.00$170.95ODIN Works LOW Mass 223 Black Nitride Bolt Carrier Group High-Performance Low Mass BCG for Enhanced Shooting Dynamics Transform your AR-15’s performance with the ODIN Works Low Mass .223 Black Nitride Bolt Carrier Group. Engineered for high...MSRP: $179.00$170.95 -
Out of stock
Radian Enhanced AR 15 Bolt Carrier Group
Radian Weapons
$209.95Radian Weapons Enhanced AR 15 Bolt Carrier Group | BCG The Radian Enhanced AR 15 Bolt Carrier Group is designed to reduce friction and minimize carrier tilt inside the AR 15 Upper Receiver by relocating key bearing surfaces. Each Radian...$209.95