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
AERO M16A4 CLONE STRIPPED LWR
Aero Precision
MSRP: $181.99$130.00The M16A4 Clone Lower Receiver features custom engraving on the AR15 Gen 2 Lower Receiver and is the perfect base for your M16A4 clone build. These lowers do not have engraving on the right side of the magwell.MANUFACTURER: Aero PrecisionMPN:...MSRP: $181.99$130.00 -
Out of stock
AERO AR15 ENHANCED COMPLETE LWR STR
Aero Precision
MSRP: $462.49$370.00The M4E1 Complete Lower Receiver is the perfect base for your custom AR15 build. This complete lower features the M4E1 Lower Receiver and is upgraded to include a Magpul MOE Grip and STR Stock.MANUFACTURER: Aero PrecisionMPN: APAR600103MODEL: M4E1Action:...MSRP: $462.49$370.00 -
Out of stock
AERO AR15 ENHANCED COMPLETE LOWER BK
Aero Precision
MSRP: $481.24$385.00The AR15 Complete Lower Receiver is the perfect base for your custom AR15 rifle. The Enhanced Complete Lower features a Magpul MOE Grip, Magpul STR Stock and Billet Trigger Guard.MANUFACTURER: Aero PrecisionMPN: APAR501112MODEL: Standard Gen 2...MSRP: $481.24$385.00 -
Out of stock
AERO M5 AR10 STRIPPED LWR FDE
Aero Precision
MSRP: $287.49$230.00The M5 .308 Stripped Lower Receiver helps you build a big-bore AR from the ground up. Mil-spec dimensions and coating ensure the highest quality and correct component interface.MANUFACTURER: Aero PrecisionMPN: APAR308005CMODEL: M5Action:...MSRP: $287.49$230.00 -
Out of stock
AERO AR15 STRIPPED LOWER GEN 2 FDE
Aero Precision
MSRP: $195.99$140.00The Aero Precision AR15 Gen 2 Stripped Lower Receiver is the perfect base for your custom AR15 build. Machined to mil-spec dimensions, these lowers work with standard AR15 components and ensure the highest quality with a correct component interface...MSRP: $195.99$140.00 -
Out of stock
AERO M5 AR10 STRIPPED LWR BLK
Aero Precision
MSRP: $202.99$117.00Aero Precision's M5 .308 Stripped Lower Receiver helps you build a big-bore AR from the ground up. Mil-spec dimensions and coating ensure the highest quality and correct component interface.MANUFACTURER: Aero PrecisionMPN: APAR308003CMODEL: M5Action:...MSRP: $202.99$117.00 -
Out of stock
SOLGW E INDIA KIT V2 5.56 12.5 BLK
Sons of Liberty Gun Works
MSRP: $593.75$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: $593.75$475.00 -
Out of stock
SOLGW L89 BS V2 5.56 12.5 A2 BLK
Sons of Liberty Gun Works
MSRP: $1,368.71$1,212.00The L89BS (Broadsword) uppers include 7-sided L89 rails with Titanium barrel nuts and integral QD cups, BROADSWORD upper receivers, 4150CMV barrels, low profile gas blocks, and include the muzzle device. Bolt Carrier Groups and Charging Handles are NOT...MSRP: $1,368.71$1,212.00 -
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 PREC V2 BBL 6ARC 14.5 BLK
Sons of Liberty Gun Works
MSRP: $385.94$309.00The V2 barrels from SOLGW are optimized for balanced use, even with forward mounted enablers, and resist zero shift as a suppressor is added or removed.MANUFACTURER: Sons of Liberty Gun WorksMPN: 14.5PRECISION-SPR-6ARCMODEL: PrecisionType of Barrel:...MSRP: $385.94$309.00 -
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
SEEKINS BBL 10.5 300BLK BLK
Seekins Precision
MSRP: $493.75$395.00Seekins Precision barrels live up to the company's name. Precision CNC machined to match grade specifications from the best quality 416 stainless steel blanks available, each barrel is inspected no less than four times to guarantee maximum accuracy and...MSRP: $493.75$395.00