BCG
Gas & Brass Armory offers a trusted selection of AR-15 Bolt Carrier Groups (BCGs) for your rifle builds in Brandon, FL. Whether you're looking for a reliable mil-spec BCG or a premium enhanced model, we stock top brands like Aero Precision, BCM, FailZero, and Toolcraft. Choose from phosphate, nitride, or nickel boron finishes, with full-auto and lightweight options available. All BCGs are built to perform under pressure and keep your rifle cycling reliably.
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AERO AR9 9MM BCG BLK NITRIDE
Aero Precision
MSRP: $251.99$180.00The Aero Precision AR9 9MM Bolt Carrier Group (BCG) is engineered for reliability and durability in 9mm blowback AR-style firearms. Crafted from high-quality 8620 steel with a black nitride finish, this BCG offers enhanced corrosion resistance and smooth...MSRP: $251.99$180.00 -
SPIKE S BCG 5.56 NIB
Spike's Tactical
MSRP: $253.13$184.00The SPIKE S BCG 5.56 NIB from Spike's Tactical is a precision-engineered bolt carrier group designed to enhance the reliability and performance of your firearm. Featuring a durable Nickel Boron coating, this bolt carrier group offers exceptional...MSRP: $253.13$184.00 -
LANTAC 556 ENHANCED BCG NICKEL BORON
LanTac USA LLC
MSRP: $327.49$245.00The LANTAC 556 Enhanced Bolt Carrier Group (BCG) by LanTac USA LLC is engineered for reliability and durability. Crafted from high-quality 8620 steel, this BCG features a bolt constructed from Carpenter 158 steel, which is shot peened and magnetically...MSRP: $327.49$245.00 -
FAXON 308/6.5 CM/8.6 BLK BCG
Faxon Firearms
MSRP: $251.85$189.00The Faxon 308/6.5 CM/8.6 BLK BCG by Faxon Firearms is engineered to exceed standard MIL-SPEC requirements, offering enhanced durability and performance. Crafted from 9310 tool steel, the bolt provides exceptional strength and reliability. The entire bolt...MSRP: $251.85$189.00 -
FAXON 5.56 M16 BCG TIN
Faxon Firearms
MSRP: $256.31$172.00The Faxon 5.56 M16 BCG TIN bolt carrier group is engineered to exceed standard MIL-SPEC requirements, offering enhanced durability and performance. Manufactured by Faxon Firearms, this BCG features a titanium nitride finish that provides superior...MSRP: $256.31$172.00 -
CMMG BOLT CARRIER GROUP MK3 308
CMMG
MSRP: $305.60$249.00The CMMG BOLT CARRIER GROUP MK3 308 is a precision-engineered component designed to enhance the performance and reliability of compatible firearms. Manufactured by CMMG, a reputable name in the industry, this bolt carrier group is crafted from...MSRP: $305.60$249.00 -
CMC ENHANCED BCG AR15 NTRD MIL-SPEC
CMC Triggers
MSRP: $250.74$180.00The CMC ENHANCED BCG AR15 NTRD MIL-SPEC, manufactured by CMC Triggers, is a high-quality bolt carrier group designed to meet demanding performance standards. Crafted with precision engineering and robust materials, this bolt carrier group offers enhanced...MSRP: $250.74$180.00 -
BLACK RAIN 223 BOLT CARRIER GRP LEFT
Black Rain Ordnance
MSRP: $273.70$196.00The BLACK RAIN 223 Bolt Carrier Group Left from Black Rain Ordnance is engineered for reliability and precision in modern sporting rifle platforms. Designed specifically for left-handed operation, this bolt carrier group ensures smooth cycling and...MSRP: $273.70$196.00 -
Out of stock
DD BOLT CARRIER GROUP 5.56
Daniel Defense
MSRP: $285.00$228.00The Daniel Defense DD Bolt Carrier Group 5.56 is engineered for reliability and performance in AR-15 style rifles chambered in 5.56 NATO. This complete bolt carrier group assembly features a durable matte black finish and is designed to meet the rigorous...MSRP: $285.00$228.00 -
Out of stock
CMMG BCG AR15 6.5GRN/6MM ARC
CMMG
MSRP: $247.45$177.00The CMMG BCG AR15 6.5GRN/6MM ARC is a precision-engineered bolt carrier group designed specifically for AR-style rifles chambered in 6.5 Grendel and 6mm ARC calibers. Manufactured by CMMG, a trusted name in firearms components, this bolt carrier group...MSRP: $247.45$177.00 -
Out of stock
CMC ENHANCED BCG 6MM ARC NTRD BLK
CMC Triggers
MSRP: $250.74$180.00The CMC ENHANCED BCG 6MM ARC NTRD BLK by CMC Triggers is a precision-engineered bolt carrier group designed to optimize performance for firearms chambered in 6mm ARC. Crafted with meticulous attention to detail, this enhanced bolt carrier group features...MSRP: $250.74$180.00 -
Out of stock
BOOTLEG FOUR POS ADJ BOLT CAR COMPL
Bootleg
MSRP: $279.93$205.00The Bootleg Four Pos Adj Bolt Carrier Group is a precision-engineered component designed to enhance the performance of compatible firearms. Constructed from durable S7 tool steel, this bolt carrier group features a lithium isonite coating for increased...MSRP: $279.93$205.00