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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AERO M4E1 STRIPPED LOWER FDE
Aero Precision
MSRP: $223.99$159.99The M4E1 Lower Receiver delivers billet aesthetics in a forged package. This custom designed enhanced forging is machined from 7075-T6 Aluminum and compatible with all mil-spec AR15 parts. Aside from the visual upgrades this custom engineered design...MSRP: $223.99$159.99 -
AERO M4E1 STRIPPED LOWER BLACK
Aero Precision
MSRP: $195.99$139.99The M4E1 Lower Receiver delivers billet aesthetics in a forged package. This custom designed enhanced forging is machined from 7075-T6 Aluminum and compatible with all mil-spec AR15 parts. Aside from the visual upgrades this custom engineered design...MSRP: $195.99$139.99 -
AERO AR15 STRIPPED LOWER GEN 2 FDE
Aero Precision
MSRP: $195.99$139.99The 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$139.99 -
AERO X15 AR15 STRPD LOWER GEN2 BLACK
Aero Precision
MSRP: $167.99$119.99The Aero Precision X15 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: $167.99$119.99 -
PWS RATCHET LCK CASTLE NUT/END PLATE
Primary Weapons Systems
MSRP: $55.93$39.95The Ratchet Lock Castle Nut End Plate set works with mil-spec OR commercial buffer tubes and eliminates the need for staking. A quick upgrade to any rifle build, the Ratchet Lock Castle Nut End Plate features a QD mount and easy installation with any...MSRP: $55.93$39.95 -
NOVESKE QUICK DETACH END PLATE BLK
Noveske
MSRP: $41.64$29.74Carbine Receiver End Plate with QD Sling Swivel Attachment made by Noveske.MANUFACTURER: NoveskeMPN: 05000094MODEL: Quick Detach MountDescription: Quick DetachType: MountColor: BlackMSRP: $41.64$29.74 -
WILSON BBL SBR 556NATO 11.3 STS
Wilson Combat
MSRP: $311.19$248.95Nearly two decades of building the finest custom tactical AR-15 rifles have given us the insight to develop a comprehensive line of stainless steel, match grade barrels that offer superior accuracy, reliability and longevity for your next custom AR rifle...MSRP: $311.19$248.95 -
SOLGW E INDIA KIT V2 5.56 11.5 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 -
SOLGW L89 V2 5.56 14.5 HUX BLK
Sons of Liberty Gun Works
MSRP: $1,092.50$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: $1,092.50$950.00 -
SOLGW PREC V2 BBL 223 WYLDE 14.5
Sons of Liberty Gun Works
MSRP: $385.94$308.75The 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-223MODEL: PrecisionType of Barrel:...MSRP: $385.94$308.75 -
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 -
SEEKINS BBL 10.5 223WYLDE 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