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 11.5 300 BLACKOUT BARREL BLK
LanTac USA LLC
MSRP: $303.74$243.00Lantac barrels are manufactured to the highest level of accuracy during the machining process. Each barrel is chambered and head spaced to a master bolt face with barrel extension individually matched to each barrel too. The barrel blanks are precision...MSRP: $303.74$243.00 -
LANTAC PATROL UPPER 300 BO 14.5
LanTac USA LLC
MSRP: $1,328.30$1,176.00The 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$1,176.00 -
HK UPPER MR556A4 5.56 11 BLK
HK
MSRP: $2,462.27$2,179.00The MR556 upper receiver kit has been updated to include all the new A4 features, including new barrel profile, adjustable gas block, handguard and more. This kit includes a complete upper receiver/barrel assembly, allowing Mil-Spec 5.56mm AR-style...MSRP: $2,462.27$2,179.00 -
GE SUPER DUTY MOD1 5.56 10.3 URG DDC
Geissele Automatics
MSRP: $1,625.17$1,439.00Manufactured 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...MSRP: $1,625.17$1,439.00 -
FN BBL AR15 HF 14.5 CARBINE 556NATO
FN America
MSRP: $436.25$327.00FN AR15 barrels are hammer forged using the same proprietary high-grade Chrome Moly Vanadium steel used in FN's venerable machinegun barrels produced to handle the punishment of sustained fully automatic fire. After forging, each barrel is Magnetic...MSRP: $436.25$327.00 -
FIGHT MCR MIL DF UPR 556 PIC 12.5
FightLite
MSRP: $7,457.99$6,600.00The groundbreaking MCR (Mission Configurable Rifle) 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...MSRP: $7,457.99$6,600.00 -
FAXON MATCH BBL 338ARC 11.5 GNNR
Faxon Firearms
MSRP: $270.25$198.00The 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: $270.25$198.00 -
FAXON MATCH BBL 338ARC 9 GNNR
Faxon Firearms
MSRP: $258.75$196.00The 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: $258.75$196.00 -
FAXON MATCH BBL 338ARC 14.5 GNNR
Faxon Firearms
MSRP: $270.25$207.00The 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: $270.25$207.00 -
FAXON MATCH BBL 338ARC 12.5 GNNR
Faxon Firearms
MSRP: $258.75$201.00The 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: $258.75$201.00 -
FAXON MATCH BBL 300BLK 7.5 GNR
Faxon Firearms
MSRP: $238.28$174.00The 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$174.00 -
FAXON MATCH BBL 300BLK 6 GNNR
Faxon Firearms
MSRP: $238.28$173.00The 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$173.00