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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RADIAN UPPER 16 223 WYLDE BLACK
Radian Weapons
MSRP: $2,029.95$0.00The design philosophy behind the Radian Model 1 is simple: use the highest quality raw materials, most precise CNC machining equipment, and best components available to create a weapon that seamlessly blends form and function. Beyond quality and...MSRP: $2,029.95$0.00Qty in Cart: 0Quantity:Price:MSRP: $2,029.95$0.00Subtotal: -
Out of stock
NOVESKE CHAINSAW 556 16 MLOK UPPER
Noveske
MSRP: $1,300.00$1,246.00Chainsaw will now be Noveske's forged product offering based on a hybrid of their Gen 1 and Gen 4 designs. They have modified the basic M4 look to match the Gen 4 aesthetic lines and smooth fit. Noveske will offer Chainsaw in three barrel lengths and two...MSRP: $1,300.00$1,246.00 -
Out of stock
NOVESKE NOVESKE9 9MM 16 COMPL UPPER
Noveske
MSRP: $1,500.00$1,281.00Ideal for the discerning shooter looking to enhance their 9mm AR platform, the Noveske N9 RECON Upper features a precision-built setup ready to deliver exceptional accuracy and performance. This upper assembly boasts a 16" 416R stainless steel barrel...MSRP: $1,500.00$1,281.00 -
Out of stock
LUTH AR 16 LTWT BBL COMP UPPER 223
Luth-AR
MSRP: $439.95$414.00The Luth-AR 16" Lightweight Complete Upper Barrel Assembly Starts with a 16", 223 Remington Lightweight barrel made from 4140 Chrome Molly with a 1-9" twist mated to a A3 Flattop receiver which includes a bolt carrier, charging handle, forward assist and...MSRP: $439.95$414.00 -
Out of stock
LUTH AR 24 BULL BBL COMP UPPER 223
Luth-AR
MSRP: $514.95$485.00The Luth-AR 24" Fluted Bull Barrel Complete Upper Barrel Assembly Starts with a 24", .223 caliber fluted bull barrel made from 416 SST with a 1-9" twist mated to a A3 Flattop receiver which includes a bolt carrier, charging handle, forward assist and...MSRP: $514.95$485.00 -
LANTAC RECON UPPER 300 BO 16
LanTac USA LLC
MSRP: $1,322.99$0.00The LA-SF15 RECON URG (Upper Receiver Group) is built to the highest quality standards and assembled by a skilled team of armorers. Each URG undergoes a shot test at Lantac's facility and includes a lifetime warranty against defects. The LA-SF15 URG...MSRP: $1,322.99$0.00Qty in Cart: 0Quantity:Price:MSRP: $1,322.99$0.00Subtotal: -
Out of stock
GE SUPER DTY MOD1 5.56 13.9 URG BLK
Geissele Automatics
$1,286.00Manufactured with confidence and without compromise, the Super Duty MOD1 adds value to the platform while continuing the reputation for excellence. All of these technologies and advancements combine to bring to market a true next-gen upper for the AR-15...$1,286.00 -
Out of stock
GE SUPER DTY MOD1 5.56 14.5 URG BLK
Geissele Automatics
$1,286.00Manufactured with confidence and without compromise, the Super Duty MOD1 adds value to the platform while continuing the reputation for excellence. All of these technologies and advancements combine to bring to market a true next-gen upper for the AR-15...$1,286.00 -
Out of stock
GE SUPER DUTY MOD1 5.56 16 URG BLK
Geissele Automatics
$1,286.00Manufactured with confidence and without compromise, the Super Duty MOD1 adds value to the platform while continuing the reputation for excellence. All of these technologies and advancements combine to bring to market a true next-gen upper for the AR-15...$1,286.00 -
FIGHT RAPTOR UPR 556 MLOK 16.25
FightLite
MSRP: $4,999.99$0.00The innovative RAPTOR belt-fed upper receiver assembly is designed to interchange with standard AR/M4 type uppers and readily fits any MIL-Spec lower receiver without permanent modification to the host lower, and is rearward compatible to AR15/M16 models...MSRP: $4,999.99$0.00Qty in Cart: 0Quantity:Price:MSRP: $4,999.99$0.00Subtotal: -
FAXON ION ULTRALT 16 556NATO UPPER
Faxon Firearms
MSRP: $1,099.00$0.00The FX5500-U features Faxon's 14.5" Pencil Barrel with Integral Slim 3-Port Muzzle Brake which meets the NFA 16" minimum barrel length requirement, 13" Streamline Carbon Fiber Handguard, and Lightweight Bolt Carrier Group. Super light, easy shooting and...MSRP: $1,099.00$0.00Qty in Cart: 0Quantity:Price:MSRP: $1,099.00$0.00Subtotal: -
FAXON ARAK-21 7.62X39 16 UPPER
Faxon Firearms
MSRP: $999.00$0.00The ARAK-21 is a gas piston actuated, complete upper receiver assembly designed to seamlessly interface with the standard AR-15 platform. The total extent of the interface is simply the take down pin, and the pivot pin. The new ARAK-21 upper receiver...MSRP: $999.00$0.00Qty in Cart: 0Quantity:Price:MSRP: $999.00$0.00Subtotal: