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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BALLISTIC BA ENHCD AR 15 UPPR RCVR
Ballistic Advantage
MSRP: $175.00$159.99AR15 Assembled Upper Receiver. Forged from 7075-T6 aluminum, this assembled upper is precision machined to mil-spec M16/M4 specifications and features M4 feedramps.MANUFACTURER: Ballistic AdvantageMPN: BAPA100084MODEL: 0Finish: AnodizedFit: AR-15Type:...MSRP: $175.00$159.99 -
BALLISTIC BA AR 15 UPPR RCVR
Ballistic Advantage
MSRP: $140.00$124.99AR15 Assembled Upper Receiver. Forged from 7075-T6 aluminum, this assembled upper is precision machined to mil-spec M16/M4 specifications and features M4 feedramps.MANUFACTURER: Ballistic AdvantageMPN: BAPA100049MODEL: 0Finish: AnodizedFit: AR-15Type:...MSRP: $140.00$124.99 -
AERO M5 AR10 ASSEMBLED UPPER KDK BRN
Aero Precision
MSRP: $180.00$154.99The M5 .308 Assembled Upper Receiver comes with both the port door and forward assist hardware preinstalled. Forged from 7075-T6 aluminum, this assembled upper is precision machined to accept standard .308 components and is the perfect upper for your big...MSRP: $180.00$154.99 -
Out of stock
AERO M4E1 ASSEMBLED UPPER KODIAK BRN
Aero Precision
MSRP: $175.00$159.99The M4E1 Threaded Upper Receiver features a new angular machined design that helps it stand apart from standard mil-spec upper receivers. This upper receiver features the same enhanced body profile as their M4E1 Enhanced Upper Receiver but is threaded to...MSRP: $175.00$159.99 -
AERO M5 AR10 ASSEMBLED UPPER ODG
Aero Precision
MSRP: $180.00$154.99The M5 .308 Assembled Upper Receiver comes with both the port door and forward assist hardware preinstalled. Forged from 7075-T6 aluminum, this assembled upper is precision machined to accept standard .308 components and is the perfect upper for your big...MSRP: $180.00$154.99 -
AERO M4E1 ASSEMBLED UPPER ODG
Aero Precision
MSRP: $175.00$159.99The M4E1 Threaded Upper Receiver features a new angular machined design that helps it stand apart from standard mil-spec upper receivers. This upper receiver features the same enhanced body profile as their M4E1 Enhanced Upper Receiver but is threaded to...MSRP: $175.00$159.99 -
AERO M4E1 ASSEMBLED UPPER FDE
Aero Precision
MSRP: $195.00$174.99The M4E1 Threaded Upper Receiver features a new angular machined design that helps it stand apart from standard mil-spec upper receivers. This upper receiver features the same enhanced body profile as our M4E1 Enhanced Upper Receiver but is threaded to...MSRP: $195.00$174.99 -
AERO M4E1 ASSEMBLED UPPER BLACK
Aero Precision
MSRP: $175.00$159.99The M4E1 Threaded Upper Receiver features a new angular machined design that helps it stand apart from standard mil-spec upper receivers. This upper receiver features the same enhanced body profile as our M4E1 Enhanced Upper Receiver but is threaded to...MSRP: $175.00$159.99 -
AERO AR15 STRIPPED UPPER BLACK
Aero Precision
MSRP: $115.00$104.99Manufacturing a great receiver isn't just about what the end product looks like. It's about what it feels like, how it works, how it handles and performs. Aero Precision products have been recognized across the country by members of the military and law...MSRP: $115.00$104.99 -
AERO M5 AR10 ASSEMBLED UPPER FDE
Aero Precision
MSRP: $235.00$209.99The M5 .308 Assembled Upper Receiver comes with both the port door and forward assist hardware preinstalled. Forged from 7075-T6 aluminum, this assembled upper is precision machined to accept standard .308 components and is the perfect upper for your big...MSRP: $235.00$209.99 -
AERO M5 AR10 ASSEMBLED UPPER BLACK
Aero Precision
MSRP: $180.00$154.99The M5 .308 Assembled Upper Receiver comes with both the port door and forward assist hardware preinstalled. Forged from 7075-T6 aluminum, this assembled upper is precision machined to accept standard .308 components and is the perfect upper for your big...MSRP: $180.00$154.99 -
AERO AR15 ASSEMBLED UPPER BLACK
Aero Precision
MSRP: $140.00$124.99Manufacturing a great receiver isn't just about what the end product looks like. It's about what it feels like, how it works, how it handles and performs. Aero Precision products have been recognized across the country by members of the military and law...MSRP: $140.00$124.99