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 308 UPPER RECEIVER
Luth-AR
MSRP: $159.99$150.39The Luth name is synonymous with Experience, Expertise, Knowledge, Innovation, and has been a driving force in the firearm industry for close to 40 years. Starting as a machinist 40 years ago Randy Luth founded D.P.M.S. / Panther Arms and grew the...MSRP: $159.99$150.39 -
LUTH AR UPPER RCVR ASMB W/CHARG HNDL
Luth-AR
MSRP: $149.95$140.95Start your new build with a Luth-AR .223/5.56 A3 Flattop Upper Receiver comes fully assembled with an M4-type feed ramp, 12 position Picatinny accessory rail for mounting scopes or flip-up sights. Shell deflector, forward assist, and ejection port cover...MSRP: $149.95$140.95 -
LUTH AR A3 UPPER RECEIVER
Luth-AR
MSRP: $117.95$110.87Luth-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$110.87 -
LUTH AR A2 ASSEMBLED UPPR RECVR N/CH
Luth-AR
MSRP: $214.95$202.05The LUTH AR assembled A2 upper receiver features the A2 carry handle style, complete with A2 rear sight (windage and elevation). Features shell deflector, forward assist, and an ejection port cover. Precision machined from a premium-grade 7075 T6...MSRP: $214.95$202.05 -
LUTH AR STRIPPED A2 UPPER BLACK
Luth-AR
MSRP: $109.95$103.35A2 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$103.35 -
LBE UPPER W/FRWRD ASSIST AND EJECTIO
LBE Unlimited
MSRP: $129.99$107.40LBE 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$107.40 -
LANTAC USR FORGED UPPER RECEIVER BLK
LanTac USA LLC
MSRP: $149.99$139.99Lantac 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$139.99 -
FORTIS BILLET UPPER RECEIVER
Fortis Manufacturing Inc.
MSRP: $199.95$189.95The 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$189.95 -
BCM UPPER REC ASSEMBLY FT M4
Bravo Company
MSRP: $149.00$129.00Bravo 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$129.00 -
Out of stock
BOOTLEG BILLET AR 15 UPPER REC ASSMB
Bootleg
MSRP: $189.95$179.95The 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$179.95 -
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 -
BALLISTIC BA10 UPPR RCVR
Ballistic Advantage
MSRP: $215.00$194.99BA10 Assembled Upper Receiver. Forged from 7075-T6 aluminum, this assembled upper is precision machined to DPMS Gen1 specifications and features M4 feedramps.MANUFACTURER: Ballistic AdvantageMPN: BAPA100091MODEL: BA10Finish: AnodizedFit: AR-10Type:...MSRP: $215.00$194.99