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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Out of stock
CMC ENHANCED BCG AR15 NTRD MIL-SPEC
CMC Triggers
MSRP: $250.74$180.00High quality components and precise manufacturing make CMC parts ideal for maintaining and upgrading firearms. The durability, reliability and excellent build quality of these parts will ensure years of service you can count on.MANUFACTURER: CMC...MSRP: $250.74$180.00 -
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
BOOTLEG 5.56 NITRIDE BCG COMPLETE
Bootleg
MSRP: $153.93$110.00Machined from 4140, Nitride Coating, MIL-SPEC configuration, Staked MIL-SPEC Gas Key, M16 Style.MANUFACTURER: BootlegMPN: BP-C15-BCGMODEL: 0Description: Bolt Carrier GroupType: Bolt Carrier GroupColor: BlackMSRP: $153.93$110.00 -
Out of stock
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 -
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 AR15 6.5GREN BCG W/9310 BLK
Aero Precision
MSRP: $223.99$160.00This 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$160.00 -
Out of stock
AERO AR15 5.56 PRO SERIES BCG NTRD
Aero Precision
MSRP: $244.99$175.00The Aero Precision PRO 5.56 Bolt Carrier Group is built from the ground up to meet the demands of the most extreme conditions. Each component and manufacturing process of the PRO 5.56 Bolt Carrier Group was deliberately chosen to increase the reliable...MSRP: $244.99$175.00 -
Out of stock
AERO AR15 5.56 BCG W/9310 BLK NTRD
Aero Precision
MSRP: $216.99$155.00This high quality bolt carrier group is a valuable addition to your AR15 build.MANUFACTURER: Aero PrecisionMPN: APRH100615CMODEL: Bolt Carrier GroupDescription: Standard Bolt Carrier GroupType: Bolt Carrier GroupColor: BlackMSRP: $216.99$155.00 -
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 -
Out of stock
SPIKE S M4 COMPLETE STOCK KIT ST-T2
Spike's Tactical
MSRP: $157.44$113.00The 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$113.00 -
SIG MCX/MPX FOLDING STK MAGPUL SL-K
Sig Sauer
MSRP: $263.06$0.00This assembly includes everything you need to add or replace your MPX or MCX stock with a folding buffer tube and the Magpul SL-K StockMANUFACTURER: Sig SauerMPN: 8900516MODEL: Low Profile Stock AssemblyDescription: FoldingFit: Sig MCX/MPXType:...MSRP: $263.06$0.00Qty in Cart: 0Quantity:Price:MSRP: $263.06$0.00Subtotal: -
Out of stock
SIG MCX/MPX FLDING/TLSCPING STK FDE
Sig Sauer
MSRP: $263.06$211.00Sig Sauer factory replacement collapsible stock assembly installs easily on your MCX, MPX or other platforms with a receiver mounted 1913 rail interface.MANUFACTURER: Sig SauerMPN: STOCK-X-FOLD-TELE-FDEMODEL: 0Description: Folding and TelescopingFit: Sig...MSRP: $263.06$211.00