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 K-SPEC FDE DE
KAK Industry
MSRP: $269.99$216.00The K-SPEC BCG combines multiple key features focused on increasing the reliability of your AR-15 style firearm no matter if you are running suppressed or unsuppressed, and regardless of conditions. The K-SPEC is a truly plug and play BCG that will...MSRP: $269.99$216.00 -
Out of stock
KAK AR15 BCG M16 556 K-SPEC C&P BLK
KAK Industry
MSRP: $264.53$189.00The K-SPEC Enhanced AR-15 BCG is engineered for peak performance in 5.56 and 300 Blackout rifles, offering unparalleled reliability, whether you're operating with a suppressor or in the cleanest of conditions.MANUFACTURER: KAK IndustryMPN:...MSRP: $264.53$189.00 -
Out of stock
FZ 9MM BCG NO HAMMER NICKEL BORON
FailZero
MSRP: $265.19$195.00This 9mm AR Bolt Carrier Group (BCG) comes fully assembled and ready to drop into most 9mm AR platform rifles and pistols. The FailZero 9mm BCG is compatible with both lowers designated for Glock or Colt magazines. All critical parts are coated with EXO...MSRP: $265.19$195.00 -
Out of stock
FZ LIGHTWEIGHT BOLT CARRIER GROUP
FailZero
MSRP: $254.19$209.00This Bolt Carrier Group (BCG) comes fully assembled and ready to drop into most mil spec AR15 upper receivers. All critical parts are coated with EXO Nickel Boron technology that provides permanent dry lubricity, extreme durability and increases both...MSRP: $254.19$209.00 -
Out of stock
FZ AR10 BCG NO HAMMER BLK
FailZero
MSRP: $304.40$250.00This AR10 Black Bolt Carrier Group (BCG) comes fully assembled and ready to drop into most Spec AR10 upper receivers. All critical parts are coated with EXO Nickel Boron Technology that provides permanent dry lubricity, extreme durability and increases...MSRP: $304.40$250.00 -
Out of stock
FZ AR10 BCG NO HAMMER NIB
FailZero
MSRP: $287.50$236.00This Bolt Carrier Group (BCG) comes fully assembled and ready to drop into most mil spec AR10 upper receivers. All critical parts are coated with EXO Nickel Boron technology that provides permanent dry lubricity, extreme durability and increases both...MSRP: $287.50$236.00 -
Out of stock
BOOTLEG FOUR POS ADJ BOLT CAR COMPL
Bootleg
MSRP: $279.93$205.00Complete Bolt carrier group, Machined from S7 Tool Steel, Lithium Isonite Coating, 4 Setting Adjustable Vent System relieves excess gas pressure created from suppressor use, creating longer dwell time and less blowback to the shooter. Gas Adjustment can...MSRP: $279.93$205.00 -
Out of stock
BAD M4/M16 ENHANCED BCG
Battle Arms Development
MSRP: $265.93$190.00Established in 2009, Battle Arms Development, Inc. (B.A.D. Inc.) stands as a distinguished force in the realm of small arms innovation. Nestled in the heart of Henderson, Nevada, their company is driven by a relentless commitment to pushing the...MSRP: $265.93$190.00 -
Out of stock
AERO AR10 308 BCG W/LOGO
Aero Precision
MSRP: $293.74$235.00Aero Precision's .308 / 7.62 Bolt Carrier Group is the perfect firing mechanism for your big-bore rifle build. This high quality BCG features a Black Nitride finish, is MPI/HPT and now includes a laser engraved Aero Precision 'A' logoMANUFACTURER: Aero...MSRP: $293.74$235.00