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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FAXON BBL 8.6BLK 12 BIG GUNNER
Faxon Firearms
MSRP: $274.85$220.00The Faxon Firearms FAXON BBL 8.6BLK 12 BIG GUNNER barrel is engineered for precision and durability. Crafted from high-quality 4150 CMV steel, this 12-inch barrel undergoes extensive quality control processes including stress-relieving, air-gauge...MSRP: $274.85$220.00 -
FAXON ARAK-21 7.62X39 12.5 UPPER
Faxon Firearms
MSRP: $1,056.94$920.00The Faxon Firearms ARAK-21 7.62x39 12.5" Upper is a complete upper receiver assembly engineered to fit seamlessly with the AR-15 platform. Featuring a gas piston-operated system, this upper is designed for quick installation, requiring no tools and...MSRP: $1,056.94$920.00 -
FAXON MATCH BBL 300BLK 9 GNNR BLK
Faxon Firearms
MSRP: $238.28$171.00The Faxon Match BBL 300BLK 9 GNNR BLK barrel represents a refined blend of performance and durability, crafted by Faxon Firearms in Cincinnati, Ohio. Designed with the Gunner profile, this barrel merges the robust strength of the Government contour with...MSRP: $238.28$171.00 -
FAXON DUTY BBL 300BLK 10.5 GNNR BLK
Faxon Firearms
MSRP: $212.52$152.00The Faxon Duty BBL 300BLK 10.5 GNNR BLK barrel offers a precision-engineered solution for AR-15 platform enthusiasts seeking a balance of durability and maneuverability. Crafted by Faxon Firearms, this 10.5-inch barrel features the Gunner profile, which...MSRP: $212.52$152.00 -
FAXON DUTY BBL 556NATO 11.5 MID GNR
Faxon Firearms
MSRP: $212.52$152.00The Faxon Duty BBL 556NATO 11.5 MID GNR barrel offers a robust combination of durability and performance for AR-15 platform builds. Crafted by Faxon Firearms, this 11.5-inch barrel features a Gunner profile, which merges the strength of a Government...MSRP: $212.52$152.00 -
FAXON DUTY BBL 556NATO 10.5 SOCOM
Faxon Firearms
MSRP: $199.64$143.00The Faxon Duty BBL 556NATO 10.5 SOCOM barrel is engineered for reliability and precision. Crafted by Faxon Firearms, this 10.5-inch barrel is designed to fit AR-15 platforms and chambered in 5.56 NATO caliber, making it suitable for a variety of shooting...MSRP: $199.64$143.00 -
DBB BBL 300 BLK 10.5 PSTL BLK
Diamondback Barrels
MSRP: $113.40$90.00The DBB BBL 300 BLK 10.5 PSTL BLK from Diamondback Barrels offers a high-quality option for AR-15 builders and enthusiasts. This 10.5-inch barrel features a medium profile design, providing a balance between durability and weight. Crafted with a...MSRP: $113.40$90.00 -
DD BBL ASSY 5.56 1-7 CHF 14.5 GOV M
Daniel Defense
MSRP: $422.50$338.00The Daniel Defense DD BBL ASSY 5.56 1-7 CHF 14.5 GOV M is a precision-engineered barrel assembly designed for reliability and performance. Crafted using Cold Hammer Forging (CHF) technology, this 14.5-inch Government profile barrel offers enhanced...MSRP: $422.50$338.00 -
DD BBL ASSY 5.56 1-7 CHF 10.3 CARB
Daniel Defense
MSRP: $422.50$338.00The Daniel Defense DD BBL ASSY 5.56 1-7 CHF 10.3 CARB is a precision-engineered barrel assembly designed for enhanced performance and durability. Featuring a 10.3-inch length, this barrel utilizes a 1:7 twist rate, optimized for stabilizing a wide range...MSRP: $422.50$338.00 -
DD M4V7S UPPER URG 11.5 556NATO
Daniel Defense
MSRP: $1,365.04$1,208.00The Daniel Defense DD M4V7S Upper URG features an 11.5-inch Cold Hammer Forged barrel chambered in 5.56 NATO, designed for durability and consistent performance. This upper receiver group incorporates a carbine-length gas system that promotes reliable...MSRP: $1,365.04$1,208.00 -
DD M4 UPPER 300BLK 10.3 BLKT UPPER
Daniel Defense
MSRP: $1,526.63$1,351.00The Daniel Defense DD M4 Upper 300BLK 10.3 BLKT Upper is a premium component designed to enhance the performance of compatible AR-style rifles. Featuring a 10.3-inch barrel, this upper assembly is engineered for durability and consistent accuracy. The...MSRP: $1,526.63$1,351.00 -
DD MK18 URG UPPER 556 10.3 MK18 BLK
Daniel Defense
MSRP: $1,595.56$1,412.00The Daniel Defense DD MK18 URG Upper features a 10.3-inch cold hammer-forged barrel designed to deliver reliability and precision. This upper receiver group includes the MK18 Rail Interface System (RIS II), known for its robust construction and versatile...MSRP: $1,595.56$1,412.00