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
RADIAN UPPER/HANDGUARD SET 14 BROWN
Radian Weapons
$925.00The 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...$925.00 -
Out of stock
RADIAN UPPER/HANDGUARD SET 10 BLACK
Radian Weapons
$815.00The 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...$815.00 -
Out of stock
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 -
Out of stock
SOLGW M4-EXO3 13.7 5.56 URG
Sons of Liberty Gun Works
MSRP: $850.00$808.00Sons of Liberty Gun Works believes in Quality Mil-Spec or better parts. They believe there is no substitute for quality and that your gun should be built right the first time, ready for hard use right out of the box. They believe a quality, accurate and...MSRP: $850.00$808.00 -
Out of stock
SOLGW L89 V2 5.56 13.7 HUX BLK
Sons of Liberty Gun Works
MSRP: $1,000.00$950.00These L89 Upper Receiver Groups are built using SOLGW forged upper, V2 Button rifled barrels, their V2 4140 gas block, and offered in a variety of length and muzzle device options. BCH and Charging Handles are not included.MANUFACTURER: Sons of Liberty...MSRP: $1,000.00$950.00 -
Out of stock
RISE CMPLT UPPR 22 ARC 18 PAT BRN
Rise Armament
MSRP: $1,199.00$999.00The RISE 22 ARC AR-15 Upper Receivers features an exceptionally accurate 18-inch 416R stainless steel threaded barrel.MANUFACTURER: Rise ArmamentMPN: RA-22ARC-CU-BRN-18MODEL: 0Type of Barrel: 01:07:00Barrel Length: 18"Description: M-LOKFinish:...MSRP: $1,199.00$999.00 -
Out of stock
CMMG UPPR RSLT MK4 6MM ARC 16.1 BLK
CMMG
MSRP: $899.95$884.00Meet CMMG's newest long-range offering. Chambered in Hornady's new 6mm ARC (Advanced Rifle Cartridge), the CMMG's RESOLUTE upper receiver group allows you to pair this exciting caliber with your existing AR15 lower for superior function and accuracy at...MSRP: $899.95$884.00 -
Out of stock
BLACK RAIN UPPER 458SOCOM 16 BLK
Black Rain Ordnance
MSRP: $999.00$919.00Black 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: $999.00$919.00 -
Out of stock
BAD 16 UPPR AUTH ELITE 556 AMBI BLK
Battle Arms Development
MSRP: $865.20$824.00The heart of the BAD Authority Elite upper receiver is the billet BAD556 7075-T6 aircraft grade aluminum receiver with integral ambidextrous controls and free-float rail handguard with M-LOK attachment points at 3, 6, and 9 o'clock positions. At 12...MSRP: $865.20$824.00 -
Out of stock
SOLGW L89 V2 5.56 11.5 A2 BLK
Sons of Liberty Gun Works
MSRP: $983.25$855.00These L89 Upper Receiver Groups are built using SOLGW forged upper, V2 Button rifled barrels, their V2 4140 gas block, and offered in a variety of length and muzzle device options. BCH and Charging Handles are not included.MANUFACTURER: Sons of Liberty...MSRP: $983.25$855.00 -
Out of stock
SOLGW L89 V2 5.56 12.5 A2 BLK
Sons of Liberty Gun Works
MSRP: $983.25$855.00These L89 Upper Receiver Groups are built using SOLGW forged upper, V2 Button rifled barrels, their V2 4140 gas block, and offered in a variety of length and muzzle device options. BCH and Charging Handles are not included.MANUFACTURER: Sons of Liberty...MSRP: $983.25$855.00 -
Out of stock
PWS MK114 MOD 1-M UPR 14.5 223WYLDE
Primary Weapons Systems
MSRP: $1,186.44$1,130.00The MK1 MOD 1-M line, revamped for 2018, features the PWS long stroke piston system. Internally, this line offers the tried and true system that PWS owners have grown to know and love. Featuring a free-float MLOK handguard, forward assist controls, and a...MSRP: $1,186.44$1,130.00