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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DBF DB15 LOWER RCVR MULTI CAL BLK
Diamondback Firearms
MSRP: $91.00$61.00The Diamondback Firearms DBF DB15 Lower Receiver in black is a versatile component designed for multi-caliber configurations. Crafted by Diamondback Firearms, this stripped lower receiver serves as a reliable foundation for building or customizing your...MSRP: $91.00$61.00 -
BCM LOWER GROUP W/BCM STK MOD0 FDE
Bravo Company
MSRP: $603.75$525.00The BCM Lower Group with BCM Stock Mod0 in Flat Dark Earth is a precision-engineered lower receiver assembly designed by Bravo Company. This complete lower group features a durable matte finish and includes an enhanced trigger guard, quick-detach end...MSRP: $603.75$525.00 -
BCM GUNFIGHTER LOWER GROUP SPMD BLK
Bravo Company
MSRP: $603.75$525.00The Bravo Company BCM GUNFIGHTER LOWER GROUP SPMD BLK is a meticulously engineered AR-15 lower receiver designed to meet military specifications for durability and compatibility. Crafted from 7075-T6 forged aluminum, this lower provides a robust...MSRP: $603.75$525.00 -
BCM LOWER GROUP W/BCM STK MOD 0 BLK
Bravo Company
MSRP: $603.75$525.00The Bravo Company BCM Lower Group with BCM Stock Mod 0 in black is a complete lower receiver assembly designed for reliability and performance. This lower group features a semi-automatic fire control system with clearly marked SAFE and SEMI positions,...MSRP: $603.75$525.00 -
BOOTLEG AMBI RECEIVER SET AR 15 BLK
Bootleg
MSRP: $574.94$460.00The Bootleg Ambi Receiver Set for AR-15 rifles offers a precision-crafted solution for enthusiasts seeking enhanced functionality and durability. Manufactured by Bootleg from high-quality 7075 billet aluminum, this receiver set features a MIL-SPEC hard...MSRP: $574.94$460.00 -
BOOTLEG SMUGGLER AMBI LOWER BLK
Bootleg
MSRP: $324.94$260.00The Bootleg Smuggler Ambi Lower in black is a precision-machined lower receiver crafted from durable 7075 billet aluminum. Designed to complement BootlegÂ’s upper receivers, this lower is built with both resilience and functionality in mind. Featuring a...MSRP: $324.94$260.00 -
BAD WORKHORSE LOWER RECEIVER BLK
Battle Arms Development
MSRP: $175.00$125.00The BAD WORKHORSE Lower Receiver BLK by Battle Arms Development is engineered for durability and versatility. Constructed from 7075-T6 aluminum alloy, this stripped lower receiver offers a robust foundation for assembling a reliable firearm. Its black...MSRP: $175.00$125.00 -
BAD XIPHOS LOWER RECEIVER 9MM GLK
Battle Arms Development
MSRP: $298.75$239.00The BAD XIPHOS Lower Receiver 9MM GLK by Battle Arms Development is engineered for users seeking a high-quality, stripped lower receiver designed specifically for 9mm calibers utilizing Glock magazines. This precision-machined component features an...MSRP: $298.75$239.00 -
BALLISTIC ENHCD AR 15 LOWER RCVR
Ballistic Advantage
MSRP: $195.99$140.00The Ballistic Advantage Enhanced AR-15 Lower Receiver, model BA15, is crafted from durable 7075-T6 aluminum, offering a robust foundation for your AR-15 build. This forged lower receiver combines the strength and reliability expected from Ballistic...MSRP: $195.99$140.00 -
AM DEF UIC STRPPD LOWER RECEIVER BLK
American Defense Mfg.
MSRP: $498.75$399.00The American Defense Mfg. UIC Stripped Lower Receiver is crafted from durable 7075-T6 billet aluminum, designed to serve as a reliable foundation for AR-15 builds. This lower receiver features a Type III hardcoat anodized finish infused with Teflon,...MSRP: $498.75$399.00 -
AERO AR15 M4E1 COMPLETE LOWER BK
Aero Precision
MSRP: $368.74$295.00The Aero Precision AR15 M4E1 Complete Lower BK is a high-quality foundation for building a reliable AR15 rifle. Designed with precision machining, this complete lower receiver combines durability with functional design elements. Featuring the M4E1 lower...MSRP: $368.74$295.00 -
Out of stock
AERO M4E1 STRIPPED LOWER FDE
Aero Precision
MSRP: $223.99$160.00The Aero Precision M4E1 Stripped Lower in Flat Dark Earth offers a durable foundation for building a custom AR-15 platform. Crafted from 7075-T6 aluminum, this forged lower receiver combines strength with lightweight performance, ensuring reliable...MSRP: $223.99$160.00