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
FZ LIGHTWEIGHT BOLT CARRIER GROUP
FailZero
MSRP: $254.19$204.00The FailZero FZ Lightweight Bolt Carrier Group is engineered to offer enhanced performance and reliability for AR-15 platforms. Designed with a low mass profile, this bolt carrier group reduces overall weight without compromising durability, making it an...MSRP: $254.19$204.00 -
Out of stock
FZ BASIC SEMI KIT BOLT & HAMMER
FailZero
MSRP: $217.81$156.00The FailZero FZ BASIC SEMI KIT BOLT & HAMMER is designed for reliability and enhanced performance in AR-15 style rifles. This kit features a fully assembled bolt and hammer set, engineered to meet the demanding standards of mil-spec components. Each...MSRP: $217.81$156.00 -
Out of stock
FZ M16/M4 BOLT CARRIER GROUP
FailZero
MSRP: $217.81$156.00The FailZero FZ M16/M4 Bolt Carrier Group is engineered to meet the demanding standards of modern AR platforms. Designed to fit most M16, M4, and AR15 upper receivers built to military specifications, this BCG is fully assembled for easy installation...MSRP: $217.81$156.00 -
Out of stock
FZ AR15 BOLT CARRIER GROUP
FailZero
MSRP: $179.93$129.00The FailZero FZ AR15 Bolt Carrier Group is engineered to meet the rigorous standards of AR15 platforms. Designed for compatibility with most mil-spec AR15 upper receivers, this bolt carrier group arrives fully assembled for straightforward installation...MSRP: $179.93$129.00 -
Out of stock
FZ 6.5GREN BCG NO HAMMER NIB
FailZero
MSRP: $217.81$156.00The FailZero FZ 6.5GREN BCG NO HAMMER NIB is a precision-engineered bolt carrier group designed specifically for 6.5 Grendel chambered upper receivers. This fully assembled unit fits most Mil-Spec uppers, ensuring reliable compatibility and performance...MSRP: $217.81$156.00 -
Out of stock
FZ AR10 BCG NO HAMMER NIB
FailZero
MSRP: $287.50$230.00The FailZero FZ AR10 BCG NO HAMMER NIB is a precision-engineered bolt carrier group designed for compatibility with most mil-spec AR10 upper receivers. This fully assembled unit features FailZeroÂ’s advanced EXO Nickel Boron coating, which enhances...MSRP: $287.50$230.00 -
Out of stock
FZ M16 BOLT CARRIER GROUP
FailZero
MSRP: $179.93$129.00The FailZero FZ M16 Bolt Carrier Group is engineered for reliable performance and enhanced durability in AR-style rifles. Designed to fit most mil-spec M16, M4, and AR-15 upper receivers, this bolt carrier group arrives fully assembled for...MSRP: $179.93$129.00 -
Out of stock
FZ EXO FIRING PIN
FailZero
MSRP: $18.78$10.00The FailZero FZ EXO Firing Pin is engineered for enhanced reliability and longevity, featuring a distinctive Nickel Boron coating. This specialized finish offers a consistently lubricious surface, which reduces friction and minimizes wear over extended...MSRP: $18.78$10.00 -
DBST BCG WITH O RING
Doublestar Corp.
MSRP: $183.39$0.00The DBST BCG WITH O RING from Doublestar Corp. is a complete bolt carrier group designed for reliable performance in standard mil-spec AR-15 uppers. This assembly includes the bolt, carrier, firing pin, firing pin retaining pin, cam pin, and the carrier...MSRP: $183.39$0.00Qty in Cart: 0Quantity:Price:MSRP: $183.39$0.00Subtotal: -
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
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