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
NOVESKE CHAINSAW N4 STRIPPED UPPER
Noveske
MSRP: $200.00$192.00The Noveske Chainsaw N4 Stripped AR-15 Upper Receiver is a high-quality upper receiver built for durability and performance. Forged from 7075-T6 aluminum for strength, it features extended feed ramps and a hardcoat Type III anodizing finish for corrosion...MSRP: $200.00$192.00 -
Out of stock
NORDIC NC15 EXTRUDED UPPER RCVR BLK
Nordic Components
MSRP: $99.95$90.00Building a bench gun or varmint rifle? Have a 50-year old axe to grind with the military for insisting on a forward assist? Whatever the reason, Nordic's extruded upper provides an economical option for those ARs that just don't need all those other...MSRP: $99.95$90.00 -
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 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
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
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
BALLISTIC BA10 UPPR RCVR
Ballistic Advantage
MSRP: $215.00$195.00BA10 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$195.00 -
Out of stock
BALLISTIC BA ENHCD AR 15 UPPR RCVR
Ballistic Advantage
MSRP: $175.00$160.00AR15 Assembled Upper Receiver. Forged from 7075-T6 aluminum, this assembled upper is precision machined to mil-spec M16/M4 specifications and features M4 feedramps.MANUFACTURER: Ballistic AdvantageMPN: BAPA100084MODEL: 0Finish: AnodizedFit: AR-15Type:...MSRP: $175.00$160.00 -
Out of stock
BALLISTIC BA AR 15 UPPR RCVR
Ballistic Advantage
MSRP: $140.00$125.00AR15 Assembled Upper Receiver. Forged from 7075-T6 aluminum, this assembled upper is precision machined to mil-spec M16/M4 specifications and features M4 feedramps.MANUFACTURER: Ballistic AdvantageMPN: BAPA100049MODEL: 0Finish: AnodizedFit: AR-15Type:...MSRP: $140.00$125.00 -
Out of stock
AERO M4E1 ASSEMBLED UPPER KODIAK BRN
Aero Precision
MSRP: $175.00$160.00The M4E1 Threaded Upper Receiver features a new angular machined design that helps it stand apart from standard mil-spec upper receivers. This upper receiver features the same enhanced body profile as their M4E1 Enhanced Upper Receiver but is threaded to...MSRP: $175.00$160.00 -
Out of stock
AERO M5 AR10 ASSEMBLED UPPER ODG
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