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
LUTH AR 308 UPPER RECEIVER
Luth-AR
MSRP: $159.99$151.00The 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$151.00 -
Out of stock
LUTH AR UPPER RCVR ASMB W/CHARG HNDL
Luth-AR
MSRP: $149.95$141.00Start 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$141.00 -
Out of stock
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 -
Out of stock
LUTH AR A2 ASSEMBLED UPPR RECVR N/CH
Luth-AR
MSRP: $214.95$203.00The 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$203.00 -
Out of stock
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 -
Out of stock
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 -
Out of stock
LBE A2 STRIPPED UPPER W/FIXED CARRY
LBE Unlimited
MSRP: $124.99$102.00LBE 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: $124.99$102.00 -
Out of stock
LANTAC UAR 7075T6 BILLET UPPER
LanTac USA LLC
MSRP: $254.99$230.00The patent pending SMOOTHCAM system features a domed head, low friction cam pin and special upper receiver that offer ultra smooth operation. With its blended cam recess the UAR upper is machined from Billet 7075-T6 certified aluminum and milspec, ...MSRP: $254.99$230.00 -
Out of stock
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 -
Out of stock
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 -
Out of stock
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 -
Out of stock
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