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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LUTH AR A3 UPPER RECEIVER
Luth-AR
MSRP: $117.95$111.00Luth-AR stripped .223 Remington receivers are A3 flattop with M4-type feed ramp, 12 position Picatinny accessory rail for mounting scopes or flip-up sights. Shell deflector, forward assist housing, and ready for an ejection port cover. Precision machined...MSRP: $117.95$111.00 -
LUTH AR STRIPPED A2 UPPER BLACK
Luth-AR
MSRP: $109.95$104.00A2 carry handle style, complete with cuts for mounting A2 rear sight (windage and elevation). Features shell deflector, forward assist housing, and provisions for installing an ejection port cover. Precision machined from a premium-grade 7075 T6 aluminum...MSRP: $109.95$104.00 -
LUTH AR A1 ASSEMBLED UPPER RECEIVER
Luth-AR
MSRP: $199.95$188.00Looking to build a high-quality retro looking AR? Start your project with a complete A1 upper receiver anodized. Comes with the standard features of a Mil-Spec upper receiver and is forged from 7075-T6 aluminum with a black hard coat anodized, tough...MSRP: $199.95$188.00 -
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 -
LANTAC USR FORGED UPPER RECEIVER BLK
LanTac USA LLC
MSRP: $149.99$140.00Lantac is an industry leader in quality manufacturing and product development, this is no exception.MANUFACTURER: LanTac USA LLCMPN: 01-RV-UP-USR-SF15MODEL: USRFinish: AnodizedFit: AR-15Caliber: 556NATOType: UpperColor: BlackMSRP: $149.99$140.00 -
FORTIS BILLET UPPER RECEIVER
Fortis Manufacturing Inc.
MSRP: $199.95$190.00The Fortis Billet Upper is a precision piece, machined from Billet 7075 T6 aluminum. Like Fortis' other products, they designed this upper with function as well as form in mind. Fortis shaved off the ounces where they could without sacrificing rigidity...MSRP: $199.95$190.00 -
BCM UPPER REC ASSEMBLY FT M4
Bravo Company
MSRP: $149.00$134.00Bravo Company started in the garage of a veteran United States Marine in Hartland Wisconsin, shortly after Operation Iraqi Freedom in 2003. Founded to support the needs of Private Security Professionals working in theaters where durable mil-spec...MSRP: $149.00$134.00 -
BOOTLEG BILLET AR 15 UPPER REC ASSMB
Bootleg
MSRP: $189.95$180.00The Bootleg AR-15 Upper Receiver is built to last and deliver exceptional performance. They've heard your feedback and taken action to bring you a superior product after the unfortunate circumstances with their previous forging house. The Bootleg Upper...MSRP: $189.95$180.00 -
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 KDK BRN
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 -
AERO AR15 STRIPPED UPPER BLACK
Aero Precision
MSRP: $115.00$105.00Manufacturing a great receiver isn't just about what the end product looks like. It's about what it feels like, how it works, how it handles and performs. Aero Precision products have been recognized across the country by members of the military and law...MSRP: $115.00$105.00