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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Out of stock
KAK AR15 BCG M16 556 CLP C158 BLK
KAK Industry
MSRP: $176.33$126.00The KAK AR15 BCG M16 556 CLP C158 BLK is a high-quality bolt carrier group designed by KAK Industry to deliver reliable performance and durability. Featuring a phosphate finish combined with chrome lining, this BCG offers enhanced resistance to wear and...MSRP: $176.33$126.00 -
Out of stock
KAK AR15 BCG M16 556 K-SPEC SV CHR
KAK Industry
MSRP: $274.99$220.00The KAK AR15 BCG M16 556 K-SPEC SV CHR from KAK Industry is a high-quality bolt carrier group designed to enhance the performance and reliability of AR-15 rifles chambered in 5.56 caliber. Crafted with precision engineering, this bolt carrier group...MSRP: $274.99$220.00 -
Out of stock
KAK AR15 BCG M16 556 K-SPEC CHR DE
KAK Industry
MSRP: $274.99$220.00The KAK Industry K-SPEC AR15 Bolt Carrier Group (BCG) is engineered to enhance the performance and reliability of your AR-15 platform. Designed with precision craftsmanship, this BCG is built to function seamlessly in a variety of firearm configurations,...MSRP: $274.99$220.00 -
Out of stock
KAK AR15 BCG M16 556 CHROME SLV
KAK Industry
MSRP: $163.79$117.00The KAK AR15 BCG M16 556 Chrome Silver Bolt Carrier Group from KAK Industry offers a precision-engineered component designed for reliable performance and durability. Crafted with attention to detail, this bolt carrier group features a sleek chrome silver...MSRP: $163.79$117.00 -
Out of stock
FZ 9MM BCG NO HAMMER BLK NITRIDE
FailZero
MSRP: $208.35$149.00The FailZero FZ 9MM BCG NO HAMMER BLK NITRIDE is a precision-engineered bolt carrier group designed specifically for 9mm AR platform rifles and pistols. Crafted for compatibility with lowers accommodating Glock or Colt magazines, this BCG ensures...MSRP: $208.35$149.00 -
Out of stock
FZ M16/M4 BCG NO HAMMER MATTE
FailZero
MSRP: $198.88$143.00The FailZero FZ M16/M4 BCG NO HAMMER MATTE is a high-quality Bolt Carrier Group designed to fit most mil-spec M16, M4, and AR-15 upper receivers. Engineered for reliability and enhanced performance, this BCG features a matte black finish that reduces...MSRP: $198.88$143.00 -
Out of stock
FZ 6.8SPC BCG NO HAMMER NIB
FailZero
MSRP: $217.81$156.00The FailZero FZ 6.8SPC BCG No Hammer is a precision-engineered bolt carrier group designed for 6.8 SPC chambered Mil-Spec upper receivers. This fully assembled unit delivers reliable performance with a focus on durability and longevity. Featuring...MSRP: $217.81$156.00 -
Out of stock
FZ 9MM BCG NO HAMMER NICKEL BORON
FailZero
MSRP: $265.19$190.00The FailZero FZ 9MM BCG No Hammer Nickel Boron is a precision-engineered bolt carrier group designed for 9mm AR platform rifles and pistols. This fully assembled unit is compatible with lowers configured for Glock or Colt magazines, offering versatility...MSRP: $265.19$190.00 -
Out of stock
FZ AR15 BCG NO HAMMER MATTE
FailZero
MSRP: $198.88$143.00The FailZero FZ AR15 BCG NO HAMMER MATTE is a precision-engineered bolt carrier group designed to fit most mil-spec AR-15 upper receivers without the hammer component. This assembly is finished in a durable matte black coating, offering a sleek...MSRP: $198.88$143.00 -
Out of stock
FZ M16/M4 BCG NO HAMMER BLK NIT
FailZero
MSRP: $149.63$107.00The FailZero FZ M16/M4 Bolt Carrier Group (BCG) is engineered for users seeking a reliable and durable upgrade for their M16 or M4 platform. This BCG features a no-hammer design, which reduces the number of moving parts and can contribute to smoother...MSRP: $149.63$107.00 -
Out of stock
FZ M16/M4 BCG NO HAMMER BLK
FailZero
MSRP: $198.88$143.00The FailZero FZ M16/M4 BCG No Hammer Black is a high-quality bolt carrier group designed for compatibility with most mil-spec M16, M4, and AR-15 upper receivers. This BCG is engineered without a hammer, catering to specific build preferences and...MSRP: $198.88$143.00 -
Out of stock
FZ AR15 BCG NO HAMMER BLK
FailZero
MSRP: $198.88$143.00The FailZero FZ AR15 BCG NO HAMMER BLK is a precision-engineered bolt carrier group designed for AR-15 platforms. Featuring a no-hammer configuration, this BCG is fully assembled and ready for installation in most mil-spec AR-15 upper receivers. The unit...MSRP: $198.88$143.00