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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DD BOLT CARRIER GROUP 5.56
Daniel Defense
MSRP: $285.00$228.00Daniel Defense 5.56 NATO (5.56x45mm & .223 Remington) / 300 Blackout (7.6x35mm) full-auto compatible, M16 Profile, complete bolt carrier group assembly.MANUFACTURER: Daniel DefenseMPN: 04-013-19032MODEL: 556Finish: MatteType: Bolt Carrier GroupColor:...MSRP: $285.00$228.00 -
CMMG BOLT CARRIER GROUP M16 556
CMMG
MSRP: $212.31$148.00Complete Mil Spec M16 bolt carrier group.MANUFACTURER: CMMGMPN: 55BA419MODEL: 0Type: Bolt Carrier GroupColor: BlackMSRP: $212.31$148.00 -
CMMG BOLT CARRIER GROUP MK3 308
CMMG
MSRP: $305.60$249.00Complete Mk3 bolt carrier group.MANUFACTURER: CMMGMPN: 38BA423MODEL: 0Description: Bolt Carrier GroupType: Bolt Carrier GroupColor: BlackMSRP: $305.60$249.00 -
CMMG BCG AR15 6.5GRN/6MM ARC
CMMG
MSRP: $247.45$177.00This BCG is designed to operate with either 6.5 Grendel or Hornady's new 6mm ARC. Will not work with CMMG MkW platform. It is designed for standard AR variants.MANUFACTURER: CMMGMPN: 64BA44FMODEL: 0Description: Bolt Carrier GroupType: Bolt Carrier...MSRP: $247.45$177.00 -
BOOTLEG FOUR POS ADJ BOLT CAR COMPL
Bootleg
MSRP: $279.93$200.00Complete 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$200.00 -
BOOTLEG PHOS BOLT COMPLETION KIT
Bootleg
MSRP: $88.52$64.00Whether you're looking to complete your Bootleg, Inc. AR 15 Carrier or you like to keep extra parts on hand, this carrier completion kit has what you need. Complete your carrier with quality today!MANUFACTURER: BootlegMPN: BP-ABC-PMODEL: 0Type: Bolt...MSRP: $88.52$64.00 -
BOOTLEG PHOS BOLT COMPLETION KIT 308
Bootleg
MSRP: $125.06$90.00Upgrade your carrier with confidence today. Additionally, by completing your Bootleg, Inc. AR 10 Carrier with the Bootleg, Inc. .308 AR Carrier Completion Kit, is an investment in a product that is designed to exceed expectations. The kit is carefully...MSRP: $125.06$90.00 -
BLACK RAIN 223 BOLT CARRIER GRP LEFT
Black Rain Ordnance
MSRP: $273.70$196.00Black Rain Ordnance, Inc. is a precision firearms manufacturer specializing in modern sporting rifle designs and high quality accessories.MANUFACTURER: Black Rain OrdnanceMPN: BRO-BCG-LHMODEL: 223Description: Biohazard EngravedFinish: Nib-XType: Bolt...MSRP: $273.70$196.00 -
BAD 9MM AR15 BOLT CARRIER GROUP BLK
Battle Arms Development
MSRP: $237.93$170.00Enhanced 9mm Blowback AR-15 Bolt Carrier Group is compatible with both COLT and GLOCK magazine configurations. Features reliable AR-15 style extractor claw with O-Ring and spring and broad trigger compatibility with ramped bottom geometry. Charging...MSRP: $237.93$170.00 -
BAD 556 AR15 BCG TITANIUM ARMORTI
Battle Arms Development
MSRP: $493.75$429.00The best just got better! From the inventors of the very first fully modular, patented, ambidextrous safety selector for the AR-15 platform, Battle Arms Development is raising the bar on reliability and compatibility of hard-use MSR components...MSRP: $493.75$429.00 -
BAD M4/M16 STANDARD BCG
Battle Arms Development
MSRP: $189.00$135.00The best just got better! From the inventors of the very first fully modular, patented, ambidextrous safety selector for the AR-15 platform, Battle Arms Development is raising the bar on reliability and compatibility of hard-use MSR components...MSRP: $189.00$135.00 -
ANGSTADT AR15 BCG 9MM BLK
Angstadt Arms
MSRP: $222.60$159.00This 9mm bolt carrier group is compatible with both GLOCK and Colt style 9mm AR-15 magazines without any further modifications. It features removable weight for use with the Law Tactical folding stock adapter.MANUFACTURER: Angstadt ArmsMPN:...MSRP: $222.60$159.00