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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RADIAN UPPER/HANDGUARD SET 17 FDE
Radian Weapons
$1,000.00The Radian Model 1 Upper Receiver and Hand Guard are precision CNC machined as a matching set, structurally reinforced in critical areas for improved strength and rigidity. The upper receiver is cut from billet 7075-T6 aluminum and assembled with dust...$1,000.00 -
RADIAN UPPER/HANDGUARD SET 17 BROWN
Radian Weapons
$1,000.00The Radian Model 1 Upper Receiver and Hand Guard are precision CNC machined as a matching set, structurally reinforced in critical areas for improved strength and rigidity. The upper receiver is cut from billet 7075-T6 aluminum and assembled with dust...$1,000.00 -
RADIAN UPPER/HANDGUARD SET 17 GRAY
Radian Weapons
$1,000.00The Radian Model 1 Upper Receiver and Hand Guard are precision CNC machined as a matching set, structurally reinforced in critical areas for improved strength and rigidity. The upper receiver is cut from billet 7075-T6 aluminum and assembled with dust...$1,000.00 -
NORDIC NC15 EXTRUDED UPPER RCVR BLK
Nordic Components
MSRP: $99.95$90.00Building a bench gun or varmint rifle? Have a 50-year old axe to grind with the military for insisting on a forward assist? Whatever the reason, Nordic's extruded upper provides an economical option for those ARs that just don't need all those other...MSRP: $99.95$90.00 -
LUTH AR UPPER RCVR ASMB W/CHARG HNDL
Luth-AR
MSRP: $149.95$141.00Start your new build with a Luth-AR .223/5.56 A3 Flattop Upper Receiver comes fully assembled with an M4-type feed ramp, 12 position Picatinny accessory rail for mounting scopes or flip-up sights. Shell deflector, forward assist, and ejection port cover...MSRP: $149.95$141.00 -
LBE UPPER W/FRWRD ASSIST AND EJECTIO
LBE Unlimited
MSRP: $129.99$112.00LBE Unlimited is a leading producer of US Made gun parts and accessories, particularly for the AR-15 platform. Whether you're in the middle of an AR build or you're just looking to upgrade a key component, LBE has you covered with reliable parts and...MSRP: $129.99$112.00 -
BLACK RAIN UPPER RECEIVER 223REM BLK
Black Rain Ordnance
MSRP: $289.00$208.00Black Rain Ordnance, Inc. is a precision rearms manufacturer specializing in the modern sporting rifle design. Founded in 2009 with a benchmark to only manufacture weapons we would personally be proud to own and operate. They've sought out the best...MSRP: $289.00$208.00 -
BAD XIPHOS 9MM STPD UPPER RECEIVER
Battle Arms Development
MSRP: $259.95$239.00The BATTLEARMS XIPHOS dedicated PCC upper was designed to be a lightweight and rugged option when it comes to pistol caliber upper receiver groups. Even though it is matched perfectly with their XIPHOS lower receiver, this upper receiver will work with...MSRP: $259.95$239.00 -
AERO M5 AR10 ASSEMBLED UPPER BLACK
Aero Precision
MSRP: $180.00$155.00The 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$155.00 -
SPIKE S 556NATO M4 LE UPPER W/RAIL
Spike's Tactical
MSRP: $826.00$744.00Spikes complete upper assemblies will arrive to you inspected, tested, and ready to drop-in and go to work. Spikes maintains the same high standard of tolerances and attention to detail as the uppers they use for complete rifle builds. Every built upper...MSRP: $826.00$744.00 -
SPIKE S 556 UPPER 14.5 PB RAIL/DYN
Spike's Tactical
MSRP: $1,006.00$906.00Spikes complete upper assemblies will arrive to you inspected, tested, and ready to drop-in and go to work. Spikes maintains the same high standard of tolerances and attention to detail as the uppers they use for complete rifle builds. Every built upper...MSRP: $1,006.00$906.00 -
SOLGW E INDIA KIT V2 5.56 16 BLK
Sons of Liberty Gun Works
MSRP: $500.00$475.00The East India Starter Kit is a building block for any build you wish to do. Properly assembled with a USGI barrel nut, this is a great way to finish assembling your own upper without having to know how to install a barrel and gas block.MANUFACTURER:...MSRP: $500.00$475.00