Browse bolt carrier groups designed for rifle builds, replacement, upgrades, and dependable cycling performance across compatible platforms. Whether you need a complete BCG for a new build or a replacement for routine maintenance, this category includes options built for proper fit, reliable function, and consistent everyday performance.
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KAK Industry M16 5.56 NATO Bolt Carrier Group
KAK INDUSTRY$116.99KAK MO-425-0512-001 M16 5.56 NATO BCG The KAK Industry MO-425-0512-001 bolt carrier group is a high-quality firearm component designed for M16 rifles chambered in 5.56 NATO. This bolt carrier group (BCG) is engineered to provide reliable cycling and... -
KAK Industry M16 5.56 K-Spec Bolt Carrier Group
KAK INDUSTRY$188.99KAK MO-425-3312-001 M16 5.56 K-SPEC BCG The KAK Industry MO-425-3312-001 M16 5.56 K-Spec Bolt Carrier Group is a high-performance firearm component designed for reliable cycling and enhanced durability in AR-15 and M16 platforms chambered in 5.56 NATO... -
KAK Industry MO-425-0512-003 M16 5.56 K-Spec Chrome/Phosphate Bolt Carrier Group
KAK INDUSTRY$179.99KAK MO-425-0512-003 M16 5.56 K-SPEC CHRM/PHOS BCG The KAK Industry MO-425-0512-003 M16 5.56 K-Spec Bolt Carrier Group is designed for reliable performance in AR-15 style rifles chambered in 5.56 NATO. Crafted for durability and smooth operation, this... -
KAK Industry MO-425-0506-003 M16 5.56 K-Spec NP3 Bolt Carrier Group
KAK INDUSTRY$242.99KAK MO-425-0506-003 M16 5.56 K-SPEC NP3 BCG The KAK Industry MO-425-0506-003 M16 5.56 K-Spec NP3 Bolt Carrier Group is designed to enhance the reliability and performance of your AR-15 style rifle chambered in 5.56 NATO. Crafted for durability and... -
KAK Industry M16 5.56 K-Spec Chrome Bolt Carrier Group
KAK INDUSTRY$220.99KAK MO-425-0505-002 M16 5.56 K-SPEC CHROME BCG The KAK Industry MO-425-0505-002 M16 5.56 K-Spec Chrome Bolt Carrier Group is designed for reliable performance in AR-15 style rifles chambered in 5.56 NATO. Crafted with precision and durability in mind,... -
KAK Industry MO-KAK-9MM Enhanced Bolt Carrier Group for 9mm Pistols and Carbines
KAK INDUSTRY$134.99KAK MO-KAK-9MM KAK 9MM ENHANCED BCG The KAK Industry MO-KAK-9MM Enhanced Bolt Carrier Group is designed for reliable performance in 9mm firearms, including pistols and carbines. Built with precision engineering, it offers enhanced durability and... -
KAK Industry MO-425-0510-002 M16 5.56 K-Spec Clear Anodize
KAK INDUSTRY$229.99KAK MO-425-0510-002 M16 5.56 K-SPEC CLEAR ANODIZE The KAK Industry MO-425-0510-002 M16 5.56 K-Spec is a high-quality firearm part designed for AR-15 style rifles chambered in 5.56 NATO. Featuring a clear anodized finish, this component offers durability... -
KAK Industry MO-425-0507-003 M16 5.56 K-Spec PVD FDE Bolt Carrier Group
KAK INDUSTRY$215.99KAK MO-425-0507-003 M16 5.56 K-SPEC PVD FDE BCG The KAK Industry MO-425-0507-003 is a high-performance bolt carrier group designed for M16-style rifles chambered in 5.56 NATO. Engineered for durability and reliable cycling, this BCG features a PVD... -
KAK Industry M16 5.56 C158 Chrome/Phosphate Bolt Carrier Group
KAK INDUSTRY$125.99KAK MO-425-3312-003 M16 5.56 C158 CHRM/PHOS BCG The KAK Industry MO-425-3312-003 Bolt Carrier Group (BCG) is designed for M16 rifles chambered in 5.56 NATO, offering reliable cycling and enhanced durability. Constructed with chrome and phosphate... -
KAK Industry MO-425-0505-003 M16 5.56 K-Spec Sidevent Chrome
KAK INDUSTRY$220.99KAK MO-425-0505-003 M16 5.56 K-SPEC SIDEVENT CHRM The KAK Industry MO-425-0505-003 is a high-quality sidevent chrome fire control part designed for M16 rifles chambered in 5.56 NATO. Built for durability and precision, this component enhances firearm... -
KAK Industry MO-425-0505-001 M16 5.56 K-Spec Chrome Firearm Part
KAK INDUSTRY$116.99KAK MO-425-0505-001 M16 5.56 K-SPEC CHROME The KAK Industry MO-425-0505-001 is a precision-engineered M16 5.56 caliber K-Spec chrome firearm component designed for reliable performance and durability. Crafted to meet strict specifications, this part is... -
KAK Industry AR-15 Bolt for 5.56 and 300 Blackout with Phosphate Finish
KAK INDUSTRY$80.99KAK MO-303-0502-011 AR-15 BOLT 556/300BO PHOS The KAK Industry MO-303-0502-011 AR-15 bolt is a high-quality firearm component designed to ensure reliable performance and durability in your rifle. Compatible with 5.56 NATO and 300 Blackout calibers, this... -
KAK Industry M16 224 Valkyrie / 68 SPC Bolt Carrier Group
KAK INDUSTRY$125.99KAK MO-425-0512-019 M16 224 VALKYRIE/68SPC BCG The KAK Industry M16 224 Valkyrie / 68 SPC Bolt Carrier Group is a high-quality firearm component designed for reliable cycling and optimal performance in compatible rifle platforms. Crafted for precision... -
KAK AR-15 Bolt / 5.56mm / 300 Blackout Cartridges Chrome Finish
KAK INDUSTRY$112.99The KAK Industry AR-15 bolt is a precision-machined firearm part designed for reliable chambering and cycling in AR-15 rifles chambered in 5.56mm NATO and 300 Blackout. Constructed from high-quality materials with a chrome finish, this bolt ensures... -
KAK Industry MO-425-0506-001 M16 5.56 NATO NP3 Coated Bolt Carrier Group
KAK INDUSTRY$161.99KAK MO-425-0506-001 M16 5.56 NP3 BCG The KAK Industry MO-425-0506-001 M16 5.56 NATO NP3 Coated Bolt Carrier Group is designed for reliable operation in AR-15 style rifles chambered in 5.56 NATO. Crafted for durability and smooth cycling, this bolt... -
KAK Industry MO-425-0506-007 M16 7.62x39 K-Spec NP3 Firearm Part
KAK INDUSTRY$251.99KAK MO-425-0506-007 M16 7.62X39 K-SPEC NP3 The KAK Industry MO-425-0506-007 is a high-quality firearm component designed specifically for M16 rifles chambered in 7.62x39mm. Built with precision and durability in mind, this K-Spec NP3-coated part... -
One Horse Nickel Boron Bolt Carrier Group for 5.56 NATO and 300 Blackout
One Horse LLC$134.99The One Horse Nickel Boron Bolt Carrier Group is a high-performance firearm component designed for AR-15 style rifles chambered in 5.56 NATO and 300 Blackout. Crafted with durability and precision in mind, this BCG features a nickel boron finish that... -
Seekins Precision M2 Bolt Heads for .223 Caliber
Seekins Precision$94.99Seekins Precision M2 Bolt Heads for .223 Caliber The Seekins Precision Model 11700173F M2 bolt heads are precision-engineered components designed specifically for AR-15 style rifles chambered in .223 caliber. Crafted with high-quality materials, these... -
LANTAC USA M-Spec Bolt Carrier Group for 223/556 with Titanium Nitride Finish
LANTAC USA$199.99LANTAC USA M-Spec Bolt Carrier Group for 223/556 with Titanium Nitride Finish The LANTAC 01-MSPEC-556-TIN-BCG is a high-performance bolt carrier group designed for AR-15 style rifles chambered in 223 Remington and 5.56 NATO. Crafted with precision, this... -
Luth-AR Bolt Carrier Assembly for .223 Caliber
Luth-AR$122.99LUTH-AR BC-A-223 FULL ASSY BOLT CARR 223 This bolt carrier assembly is designed for use with .223 caliber firearms, providing reliable cycling and smooth operation. It is a vital component for maintaining firearm performance, especially during range... -
LUTH-AR BC-A-223C Full Assembly Bolt Carrier for 223 Remington
Luth-AR$126.99LUTH-AR BC-A-223C FULL ASSY BOLT CARR 223 MGPHO This bolt carrier assembly is designed for the .223 Remington caliber and is compatible with AR-style rifles. It provides reliable operation and smooth cycling, making it suitable for range training,... -
Luth-AR 308-BCACL ETRO for DPMS LR-308 and BLT Carbine
Luth-AR$178.99LUTH-AR 308-BCACL ETRO DPMS LR-308 BLT CARR This product is a custom bolt carrier group designed for DPMS LR-308 and BLT carbines, offering reliable and durable performance for your rifle. Constructed with high-quality materials, it ensures smooth... -
Larue Tactical Texas Spec 5.56 Bolt Carrier Group for AR-Platform
LARUE TACTICAL$299.99Larue Tactical LT15LTBCG556STD Texas Spec Bolt Carrier Group 5.56 AR-Platform The Larue Tactical Texas Spec Bolt Carrier Group is designed for AR-15 and other 5.56 caliber platforms, providing reliable performance for both tactical and recreational... -
LANTAC USA M-Spec BCG for 308/762
LANTAC USA$233.99LANTAC 01-MSPEC-762-NIB-BCG M-SPEC BCG 308/762 NIB The LANTAC USA M-Spec Bolt Carrier Group is a high-quality component designed for reliable performance in 308 and 7.62 rifles. Crafted to meet strict manufacturing standards, this bolt carrier group... -
One Horse M16 Nitrided Bolt Carrier Group for 5.56 NATO and 300 Blackout
One Horse LLC$79.99ONE OH-UBCO1 M16 NITRIDE BCG 5.56 300BO The One Horse LLC OH-UBCO1 M16 Nitrided Bolt Carrier Group is a high-quality component designed for AR-15 platform rifles chambered in 5.56 NATO and 300 Blackout. Crafted with precision, this BCG features a... -
TacFire BCG-9MM-G3 9mm AR Pistol Glock Colt SMG Bolt Carrier Group
TacFire$125.99TACFIRE BCG9MMG3 9MM AR PST GLK COLT SMG The TacFire BCG-9MM-G3 is a high-quality bolt carrier group designed for 9mm AR-style pistols, Glocks, Colts, and SMGs. Constructed with durable materials, this bolt carrier provides reliable cycling and... -
TacFire BCG-308 Bolt Carrier Group for AR10 / DPMS 308 Win Steel w/ Nitride Finish
TacFire$149.99TacFire BCG308 Bolt Carrier Group 308 Win Black Steel Fits AR10 Compatible w/ DPMS TacFire BCG-308 Bolt Carrier Group for AR10 and DPMS The TacFire BCG-308 is a steel bolt carrier group designed for 308 Winchester AR10 platform rifles, including... -
White Label Armory M16 Bolt Carrier Group for 5.56 NATO AR Rifles
White Label Armory$145.99White Label Armory WLA-BCG-3001 M16 Bolt Carrier Group 5.56 NATO Billet Extractor Black The White Label Armory M16 Bolt Carrier Group is designed for reliable performance in 5.56 NATO AR platform rifles. Built with precision machined billet components,... -
TacFire BCG-45ACP-G2 45 ACP AR Pistol Glock/S&W Bolt Carrier Group Nitride Finish
TacFire$131.99TACFIRE BCG45ACPG2 45 AR PST GLK SW M&P The TacFire BCG-45ACP-G2 is a high-quality bolt carrier group designed specifically for 45 ACP AR pistols compatible with Glock and Smith & Wesson platforms. Constructed with durability and reliability in... -
LANTAC USA 01-UP-762-NIT-EBCG Enhanced Bolt Carrier Group for 308/7.62 Black
LANTAC USA$316.99LANTAC 01-UP-762-NIT-EBCG ENHANCED BCG 308/762 BLK LANTAC USA 01-UP-762-NIT-EBCG Enhanced Bolt Carrier Group for 308/7.62 Black is a high-performance bolt carrier group designed for AR-10 and similar platform rifles chambered in .308 Winchester and 7.62... -
LANTAC USA M-Spec BCG 223/556 Black
LANTAC USA$170.99LANTAC 01-MSPEC-556-NIT-BCG M-SPEC BCG 223/556 BLK LANTAC USA M-Spec BCG 223/556 Black is a high-quality bolt carrier group designed for AR-15 and similar rifle platforms. Manufactured by LANTAC USA, this BCG features a nitride finish for enhanced... -
LANTAC USA M-Spec BCG for 308/762 Black Model 01-MSPEC-762-NIT-BCG
LANTAC USA$220.99LANTAC 01-MSPEC-762-NIT-BCG M-SPEC BCG 308/762 BLK LANTAC USA M-Spec BCG for 308/762 Black Model 01-MSPEC-762-NIT-BCG is a high-quality, durable bolt carrier group designed specifically for 308 and 7.62 NATO platforms. Made by LANTAC USA, this model... -
LANTAC USA Enhanced Bolt Carrier Group for 223/556
LANTAC USA$269.99LANTAC LA00223 ENHANCED BCG 223/556 NIB The LANTAC USA LA00223 Enhanced Bolt Carrier Group is designed for optimal performance in 223 and 556 caliber firearms. Crafted with precision, this bolt carrier group ensures reliable cycling and... -
LANTAC USA M-SPEC BCG 223/556 Nickel Boron
LANTAC USA$179.99LANTAC 01-MSPEC-556-NIB-BCG M-SPEC BCG 223/556 NIB The LANTAC USA 01-MSPEC-556-NIB-BCG is a bolt carrier group designed specifically for 223 and 556 caliber rifles. It provides reliable cycling and enhanced durability for your AR-15 platform. Made from... -
FailZero AR10 BCG NO HAMMER BLK
FailZero$274.99FailZero AR10 BCG No Hammer – Black The FailZero AR10 BCG (No Hammer) in Black is a high-performance bolt carrier group designed for serious shooters and precision builders. Coated with FailZero’s advanced EXO Nickel Boron for superior... -
WMD NIB-X BCG WITHOUT HAMMER 308
WMD Guns$233.10WMD NiB-X BCG Without Hammer – .308 The WMD NiB-X Bolt Carrier Group for .308/AR10 (No Hammer) is a premium-grade BCG engineered for peak performance and long-lasting reliability. Featuring WMD’s proprietary NiB-X... -
SPIKE'S M16 BOLT CARRIER GROUP BLK
Spike's Tactical$134.96Spike’s Tactical M16 Bolt Carrier Group – Black The Spike’s Tactical M16 Bolt Carrier Group (BCG) is a top-tier upgrade trusted by military professionals, law enforcement, and civilian shooters alike. Coated in a durable black phosphate... -
LBE 308 BOLT CARRIER GROUP
LBE Unlimited$234.99LBE .308 Bolt Carrier Group The LBE .308 Bolt Carrier Group is a reliable, budget-friendly upgrade for your AR10 or LR-308 rifle. Built to perform in demanding conditions, this full-mass BCG delivers smooth cycling and consistent performance... -
CMC ENHANCED BCG 6MM ARC NTRD BLK
CMC$179.10CMC Enhanced BCG 6mm ARC Nitrided Black The CMC Enhanced BCG 6mm ARC Nitrided Black is a high-performance bolt carrier group engineered specifically for the 6mm ARC (Advanced Rifle Cartridge) chamber. Built for precision, durability, and... -
AERO AR15 6.5GREN BCG W/9310 BLK
Aero Precision / Aero Precision is temporarily unavailable - Company is currently restructuring$159.99Aero AR15 6.5 Grendel BCG with 9310 Black The Aero AR15 6.5 Grendel BCG with 9310 Black is a precision-engineered bolt carrier group designed specifically for the 6.5 Grendel cartridge. With its durable 9310 steel construction and black phosphate finish,...
