AR15 Parts
Gas & Brass Armory is your trusted source for AR-15 parts in Brandon, FL. Whether you're upgrading your current rifle or building a custom AR from the ground up, we stock high-quality components from top manufacturers like Aero Precision, Magpul, Radian Weapons, BCM, Geissele, and more. Shop complete uppers, stripped lowers, triggers, handguards, buffer kits, barrels, and everything you need for your next AR build. Our expert staff is here to help you build it right the first time.
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CMMG BOLT CARRIER GROUP MK3 308
CMMG
MSRP: $305.60$244.48Complete Mk3 bolt carrier group.MANUFACTURER: CMMGMPN: 38BA423MODEL: 0Description: Bolt Carrier GroupType: Bolt Carrier GroupColor: BlackMSRP: $305.60$244.48 -
CMMG BCG AR15 6.5GRN/6MM ARC
CMMG
MSRP: $247.45$166.77This 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$166.77 -
CMC ENHANCED BCG 6MM ARC NTRD BLK
CMC Triggers
MSRP: $250.74$179.10The CMC Triggers Suppressor Optimized Enhanced Bolt Carrier Group for the New Hornady 6mm ARC is designed for shooters who demand superior performance weapon components in the heart of their firearm. CMC Triggers manufactures the highest quality firearms...MSRP: $250.74$179.10 -
Out of stock
BOOTLEG FOUR POS ADJ BOLT CAR COMPL
Bootleg
MSRP: $279.93$199.95Complete 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$199.95 -
BOOTLEG PHOS BOLT COMPLETION KIT
Bootleg
MSRP: $88.52$63.23Whether 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$63.23 -
BOOTLEG PHOS BOLT COMPLETION KIT 308
Bootleg
MSRP: $125.06$89.33Upgrade 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$89.33 -
BLACK RAIN 223 BOLT CARRIER GRP LEFT
Black Rain Ordnance
MSRP: $273.70$195.50Black 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$195.50 -
Out of stock
BAD 9MM AR15 BOLT CARRIER GROUP BLK
Battle Arms Development
MSRP: $237.93$169.95Enhanced 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$169.95 -
BAD 556 AR15 BCG TITANIUM ARMORTI
Battle Arms Development
MSRP: $493.75$395.00The 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$395.00 -
BAD M4/M16 ENHANCED BCG
Battle Arms Development
MSRP: $265.93$189.95Established 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$189.95 -
AERO AR15 6.5GREN BCG W/9310 BLK
Aero Precision
MSRP: $223.99$159.99This high quality bolt carrier group is a valuable addition to your 6.5 Grendel/6mm ARC build.MANUFACTURER: Aero PrecisionMPN: APRH100725CMODEL: Bolt Carrier GroupDescription: 6.5 GrendelFinish: NitrideType: Bolt Carrier GroupColor: BlackMSRP: $223.99$159.99 -
SPIKE S M4 COMPLETE STOCK KIT ST-T2
Spike's Tactical
MSRP: $157.44$112.46The Spike's Tactical M4 Complete Stock Assembly comes with everything you need to finish off the back end of your AR-15 lower receiver with top notch parts. This kit comes with a 6 position Mil-Spec Buffer Tube, M4 Collapsible Buttstock, Receiver End...MSRP: $157.44$112.46