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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ROSCO 556NATO/300BLK BCG PHOS BLK
Rosco mfg.$145.00ROSCO 556NATO/300BLK BCG PHOS BLK – BUILT FOR HARD USE, READY FOR DUTY The ROSCO 556NATO/300BLK BCG PHOS BLK is a duty-ready bolt carrier group designed for reliability, durability, and consistent performance. Whether you're running 5.56 NATO or ... -
KAK AR15 BCG M16 556 K-SPEC NP3 DE
KAK Industries$247.49KAK AR15 BCG M16 556 K-SPEC NP3 DE – NEXT-LEVEL PERFORMANCE WITH NP3 AND DURABLE EARTH FINISH The KAK AR15 BCG M16 556 K-SPEC NP3 DE is a precision-engineered bolt carrier group designed for shooters who demand advanced coatings, battle-ready... -
ANGSTADT AR15 BCG 556NATO BLK
Angstadt Arms$122.00ANGSTADT AR15 BCG 556NATO BLK – PRECISION-BUILT FOR DUTY-READY RELIABILITY The ANGSTADT AR15 BCG 556NATO BLK is a high-performance bolt carrier group engineered for serious shooters and demanding environments. Designed for AR-15 platforms chambered... -
ROSCO 556NATO/300BLK BCG MELONITE BK
Rosco mfg.$140.00ROSCO 556NATO/300BLK BCG MELONITE BK – TOUGH, RELIABLE, BUILT TO RUN CLEAN The ROSCO 556NATO/300BLK BCG MELONITE BK is a premium bolt carrier group built for dependability and low-maintenance performance. Coated in a sleek black Melonite finish,... -
Q AR-15 TWO PIECE BCG
Q$350.00Q AR-15 TWO PIECE BCG – INNOVATIVE DESIGN FOR IMPROVED PERFORMANCE The Q AR-15 TWO PIECE BCG is a groundbreaking bolt carrier group that revolutionizes the AR-15 platform. Featuring a two-piece design, this BCG combines innovative engineering with... -
LBE AR BOLT CARRIER GROUP
LBE Unlimited$169.99LBE AR BOLT CARRIER GROUP – DEPENDABLE, MIL-SPEC PERFORMANCE YOU CAN TRUST The LBE AR BOLT CARRIER GROUP is a reliable, MIL-SPEC component built to meet the demands of AR-15 rifle owners who prioritize quality and consistency. Whether you’re... -
FAXON 308/6.5 CM/8.6 BLK BCG
Faxon$219.00FAXON 308/6.5 CM/8.6 BLK BCG – MULTI-CALIBER PRECISION FOR LARGE-FRAME AR PLATFORMS The FAXON 308/6.5 CM/8.6 BLK BCG is built for shooters who demand rugged performance, multi-caliber versatility, and top-tier engineering in their large-frame AR... -
LANTAC M-SPEC BCG 762 NITRIDE BLK
Lantac$220.99LANTAC M-SPEC BCG 762 NITRIDE BLK – MIL-SPEC STRENGTH MEETS PREMIUM FINISH The LANTAC M-SPEC BCG 762 NITRIDE BLK is designed to deliver professional-grade performance in AR-10/LR-308 platforms. Featuring MIL-SPEC materials and a black nitride... -
SANTAN AR10 ENHNCD BCG 308 NTRD BLK
San Tan Tactical$300.00SANTAN AR10 ENHNCD BCG 308 NTRD BLK – PRECISION ENGINEERING FOR AR-10 RELIABILITY The SANTAN AR10 ENHNCD BCG 308 NTRD BLK is a premium bolt carrier group designed for serious AR-10 builders and shooters. With enhanced geometry, precision machining,... -
RADIAN ENHANCED BCG FOR AR15 BLK NIT
Radian$209.95RADIAN ENHANCED BCG FOR AR15 BLK NIT – SMOOTH. STRONG. SMARTLY ENGINEERED. The RADIAN ENHANCED BCG FOR AR15 BLK NIT is the pinnacle of bolt carrier group innovation—engineered for flawless operation, ultra-smooth cycling, and superior... -
AERO AR10 308 BCG W/LOGO
Aero Precision$234.99AERO AR10 308 BCG W/LOGO – PROVEN POWER FOR YOUR LARGE-FRAME BUILD The AERO AR10 308 BCG W/LOGO is a premium bolt carrier group designed specifically for .308 AR platforms. Precision-machined to Aero Precision's exacting standards, this BCG is... -
FailZero BASIC SEMI KIT BOLT & HAMMER
FailZero$189.99FAILZERO BASIC SEMI KIT BOLT & HAMMER – READY-TO-RUN UPGRADE FOR YOUR AR-15 The FailZero BASIC SEMI KIT BOLT & HAMMER provides a reliable, high-performance bolt and hammer combo designed for AR-15 rifles in semi-automatic configuration... -
FailZero AR10 BCG NO HAMMER NIB
FailZero$259.99FAILZERO AR10 BCG NO HAMMER NIB – NICKEL BORON RELIABILITY FOR YOUR LARGE-FRAME RIFLE The FailZero AR10 BCG NO HAMMER NIB is a premium bolt carrier group designed for DPMS-pattern AR-10 rifles. Featuring FailZero’s patented EXO Nickel Boron... -
FailZero AR15 BCG NO HAMMER MATTE
FailZero$179.99FAILZERO AR15 BCG NO HAMMER MATTE – CLEAN, DEPENDABLE, MIL-SPEC TO THE CORE The FailZero AR15 BCG NO HAMMER MATTE is a durable, no-nonsense bolt carrier group built for AR-15 rifles and carbines. Featuring a matte black finish and FailZero’s... -
FailZero AR15 BCG NO HAMMER BLK
FailZero$179.99FAILZERO AR15 BCG NO HAMMER BLK – SMOOTH, CLEAN, AND BUILT TO PERFORM The FailZero AR15 BCG NO HAMMER BLK is a high-performance bolt carrier group built for semi-automatic AR-15 platforms. Coated with FailZero’s advanced black EXO Nickel... -
PHASE5 BOLT CARRIER GROUP AR15 BLK
Phase 5 Weapon Systems$150.00PHASE5 BOLT CARRIER GROUP AR15 BLK – RELIABLE PERFORMANCE AND DURABILITY The PHASE5 BOLT CARRIER GROUP AR15 BLK is a premium, MIL-SPEC compatible bolt carrier group designed for 5.56 NATO and .223 Remington AR-15 rifles. Built for exceptional... -
MIDWEST 5.56/233 AR15 BLACK NITRIDE BCG
Midwest Industries$157.95MIDWEST 5.56/.223 AR15 BLACK NITRIDE BCG – ENHANCED PERFORMANCE FOR YOUR AR-15 The MIDWEST 5.56/.223 AR15 BLACK NITRIDE BCG is a high-quality, durable bolt carrier group designed for AR-15 rifles chambered in 5.56 NATO or .223 Remington. Featuring... -
MIDWEST 5.56/223 AR15 ENHANCED BCG
Midwest Industries$167.95MIDWEST 5.56/.223 AR15 ENHANCED BCG – TOP-TIER PERFORMANCE FOR YOUR AR-15 The MIDWEST 5.56/.223 AR15 ENHANCED BCG is a precision-engineered bolt carrier group designed to maximize the performance of your AR-15 rifle. Built for 5.56 NATO and .223... -
Bolt Carrier Group AR-308 DPMS Pattern Black Nitride Bolt Carrier Group AR-308 DPMS Pattern Black Nitride
Battle Arms Development$250.00BATTLEARMS™ AR308 DPMS Pattern BCG MPI TESTED AND MARKED NITRIDE FINISH INSIDE AND OUTSIDE WITH FORWARD ASSIST CUTS CORRECT AUTO SEAR TRIP LOCATION 9310 HEAD 8620 CARRIER FOR 7.62 NATO, .308 WINCHESTER OR SIMILAR INCLUDES O-RING... -
9MM Blowback AR-15 Enhanced BCG
Battle Arms Development$179.00Enhanced 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 compatibility with ramped bottom geometry. Charging... -
AR15/M16 Full Auto Titanium BCG Bolt Carrier Group
Battle Arms Development$395.00BATTLEARMS™ AR15/M4 Titanium carrier w/ ArmorTI coating. This carrier fills the space of an M16 profile while reducing weight substantially. Aerospace surface treatment provides ultimate durability and wear resistance. Bolt material... -
BATTLEARMS AR15/M16 Full Auto Enhanced BCG
Battle Arms Development$189.95BATTLEARMS AR15/M16 Full Auto Enhanced BCG (Bolt Carrier Group) | BAD-EBCG-M16 Item: BAD-EBCG-M16 Model: BAD-EBCG-M16 UPC: 810033781162 Brand: Battle Arms Development, Inc. The BATTLEARMS® AR15/M16 Full Auto Enhanced BCG is a duty-ready, full-auto...
