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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FZ 450 BUSHMASTER NO HAMMER NIB
FailZero
MSRP: $217.81$156.00The FailZero FZ 450 Bushmaster No Hammer Bolt Carrier Group (BCG) is engineered for reliability and enhanced performance in compatible .450 Bushmaster upper receivers. This BCG is fully assembled and ready for installation, ensuring a streamlined upgrade...MSRP: $217.81$156.00 -
FZ 458 SOCOM BCG NO HAMMER NIB
FailZero
MSRP: $217.81$156.00The FailZero FZ 458 SOCOM BCG No Hammer is a high-quality bolt carrier group designed specifically for use with mil-spec .458 SOCOM upper receivers. This component is engineered to enhance the reliability and longevity of your firearm through advanced...MSRP: $217.81$156.00 -
CMMG BOLT CARRIER GROUP M16 556
CMMG
MSRP: $212.31$157.00The CMMG BOLT CARRIER GROUP M16 556 is a precision-engineered component designed to meet Mil-Spec standards for M16 rifles. Manufactured by CMMG, a trusted name in firearm components, this bolt carrier group ensures reliable operation and consistent...MSRP: $212.31$157.00 -
BOOTLEG PHOS BOLT COMPLETION KIT 308
Bootleg
MSRP: $125.06$90.00The Bootleg PHOS Bolt Completion Kit .308 by Bootleg is engineered to enhance the performance and reliability of your AR-10 platform. This completion kit includes a phosphated bolt constructed from durable 9310 steel, providing excellent corrosion...MSRP: $125.06$90.00 -
BAD 9MM AR15 BOLT CARRIER GROUP BLK
Battle Arms Development
MSRP: $237.93$170.00The Battle Arms Development BAD 9MM AR15 Bolt Carrier Group (BCG) is engineered for enhanced performance in 9mm blowback AR-15 platforms. Designed to be compatible with both Colt and Glock magazine configurations, this bolt carrier group offers...MSRP: $237.93$170.00 -
BAD M4/M16 STANDARD BCG
Battle Arms Development
MSRP: $189.00$135.00The BAD M4/M16 Standard Bolt Carrier Group (BCG) by Battle Arms Development is engineered to deliver consistent performance and durability for AR-style rifles. Crafted with precision machining and high-quality materials, this BCG provides reliable...MSRP: $189.00$135.00 -
ANGSTADT AR15 BCG 9MM BLK
Angstadt Arms
MSRP: $222.60$159.00The Angstadt AR15 BCG 9MM BLK is a precision-engineered bolt carrier group designed to enhance the performance of 9mm AR-15 platforms. Manufactured by Angstadt Arms, this BCG offers reliable compatibility with both GLOCK and Colt style 9mm AR-15...MSRP: $222.60$159.00 -
ANGSTADT AR15 BCG 45ACP BLK
Angstadt Arms
MSRP: $222.60$159.00The Angstadt AR15 BCG 45ACP BLK is a precision-engineered bolt carrier group designed specifically for Glock 45 ACP AR-15 (AR-45) platforms. Manufactured by Angstadt Arms, this bolt carrier group ensures reliable performance and durability in demanding...MSRP: $222.60$159.00 -
Out of stock
WMD NIB-X BCG WITHOUT HAMMER 556 BLK
WMD Guns
MSRP: $219.24$157.00The WMD NIB-X BCG WITHOUT HAMMER 556 BLK is a high-performance bolt carrier group designed by WMD Guns to deliver enhanced durability and reliability. Featuring a NiB-X coating, this BCG offers superior resistance to fouling, corrosion, and wear,...MSRP: $219.24$157.00 -
Out of stock
TRUE PRECISION TP-22 BOLT 10/22 GLD
True Precision
MSRP: $172.89$124.00The True Precision TP-22 Bolt 10/22 GLD is a precision-engineered replacement bolt designed specifically for 10/22 style .22LR firearms. Crafted with high-quality materials and finished with a durable titanium nitride coating, this bolt offers enhanced...MSRP: $172.89$124.00 -
Out of stock
SANTAN AR15 ENHNCD BCG 6MM ARC BLK
San Tan Tactical
MSRP: $235.51$169.00The San Tan Tactical SANTAN AR15 ENHNCD BCG 6MM ARC BLK is a high-quality bolt carrier group designed to enhance the performance and reliability of AR-15 style rifles. Crafted using premium American-made materials, this enhanced bolt carrier group...MSRP: $235.51$169.00 -
Out of stock
SANTAN AR15 ENHNCD BCG 556 NTRD BLK
San Tan Tactical
MSRP: $235.51$169.00The San Tan Tactical SANTAN AR15 ENHNCD BCG 556 NTRD BLK is a precision-engineered bolt carrier group designed to enhance the performance and reliability of AR-15 style rifles. Crafted with high-quality materials and finished in a durable matte black...MSRP: $235.51$169.00