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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LANTAC PATROL UPPER 223 WYLDE 14.5
LanTac USA LLC
MSRP: $1,328.30$0.00The LA-SF15 PATROL 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 comes with a lifetime warranty against defects. The LA-SF15 URG...MSRP: $1,328.30$0.00Qty in Cart: 0Quantity:Price:MSRP: $1,328.30$0.00Subtotal: -
LANTAC UTP UPPER 223 WYLDE 11.5 BLK
LanTac USA LLC
MSRP: $1,310.79$0.00The LA-SF15 UTP (Urban Tactical Pistol) URG (Upper Receiver Group) is built to top quality standards and assembled by expert armorers. Each URG undergoes a shot test at Lantac's facility and is backed by a lifetime warranty against defects. The LA-SF15...MSRP: $1,310.79$0.00Qty in Cart: 0Quantity:Price:MSRP: $1,310.79$0.00Subtotal: -
LANTAC PPD UPPER 300 BLACKOUT 7.5
LanTac USA LLC
MSRP: $1,265.59$0.00The LA-SF15 PDP 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: $1,265.59$0.00Qty in Cart: 0Quantity:Price:MSRP: $1,265.59$0.00Subtotal: -
LANTAC PDP UPPER 223 WYLDE 7.5 BLK
LanTac USA LLC
MSRP: $1,265.59$0.00The LA-SF15 PDP 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: $1,265.59$0.00Qty in Cart: 0Quantity:Price:MSRP: $1,265.59$0.00Subtotal: -
KAK BBL M16 556 MID 13.9
KAK Industry
MSRP: $149.95$0.00KAK Industry was founded and incorporated in 2011 by Kurt Kosman to address a gap in the firearms market for quality, American-Made components at affordable, sustainable prices.MANUFACTURER: KAK IndustryMPN: 121-0212-014MODEL: ProBarrel Length: 13...MSRP: $149.95$0.00Qty in Cart: 0Quantity:Price:MSRP: $149.95$0.00Subtotal: -
FN BBL ASSEMBLY SCAR 17S 13
FN America
MSRP: $1,693.87$0.00The FN SCAR barrel assemblies are cold hammer-forged, chrome-lined MIL-SPEC steel barrels with front sight assembly, gas block assembly, gas regulator, gas piston and flash hider installed. Available in short lengths for reduced weight, fast handling and...MSRP: $1,693.87$0.00Qty in Cart: 0Quantity:Price:MSRP: $1,693.87$0.00Subtotal: -
FN BBL ASSEMBLY SCAR 16S 10
FN America
MSRP: $1,467.87$0.00The FN SCAR barrel assemblies are cold hammer-forged, chrome-lined MIL-SPEC steel barrels with front sight assembly, gas block assembly, gas regulator, gas piston and flash hider installed. Available in short lengths for reduced weight, fast handling and...MSRP: $1,467.87$0.00Qty in Cart: 0Quantity:Price:MSRP: $1,467.87$0.00Subtotal: -
FAXON ARAK-21 7.62X39 12.5 UPPER
Faxon Firearms
MSRP: $1,056.94$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: $1,056.94$0.00Qty in Cart: 0Quantity:Price:MSRP: $1,056.94$0.00Subtotal: -
FAXON ARAK-21 556NATO 12.5 UPPER
Faxon Firearms
MSRP: $1,056.94$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: $1,056.94$0.00Qty in Cart: 0Quantity:Price:MSRP: $1,056.94$0.00Subtotal: -
Out of stock
FAXON MATCH BBL 300BLK 9 GNNR BLK
Faxon Firearms
MSRP: $238.28$180.00The Gunner profile is a blend of two of the best performing profiles of all time, Gov't and Pencil. Faxon's Gunner profile combines the durability of the Gov't profile with the weight savings and maneuverability of the Pencil profile. The Gunner profile...MSRP: $238.28$180.00 -
Out of stock
DD BBL ASSY 5.56 1-7 CHF 11.5 GOV C
Daniel Defense
MSRP: $422.50$338.00Cold Hammer Forging of barrels has been known for decades to produce the most accurate, longest lasting rifle barrels obtainable. The Cold Hammer Forging of barrels is accomplished through intense hydraulic pressure applied at opposing angles by carbide...MSRP: $422.50$338.00 -
Out of stock
DD BBL ASSY 300BLK 1-8 CHF 10.3
Daniel Defense
MSRP: $392.50$314.00The Daniel Defense 10.3" 300 Blackout S2W(R) barrel is designed with a strength to weight profile (Daniel Defense's Heavy Barrel), a 1:8" twist rate, and a pistol length gas system. Cold Hammer Forging of barrels has been known for decades to produce the...MSRP: $392.50$314.00