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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NOVESKE BARREL 556 INFIDEL 13.7 STS
Noveske
MSRP: $495.69$397.00The Noveske Barrel 556 Infidel 13.7 STS is a precision-engineered component designed to enhance the performance and reliability of your AR-15 platform. Crafted by Noveske, a recognized leader in firearm barrels, this 13.7-inch barrel combines durability...MSRP: $495.69$397.00 -
NOVESKE BARREL 5.56 11.5 STS
Noveske
MSRP: $446.11$357.00The Noveske Barrel 5.56 11.5 STS is a precision-engineered barrel designed to enhance the performance and reliability of compatible rifles. Crafted by Noveske, a respected name in the firearms industry, this 11.5-inch barrel features a stainless steel...MSRP: $446.11$357.00 -
NOVESKE BARREL 300BLK 10.5 SS
Noveske
MSRP: $421.34$338.00The Noveske 10.5-inch barrel for 300 Blackout offers a compact and reliable solution for AR-15 platforms. Crafted with stainless steel, this barrel provides durability and corrosion resistance, making it suitable for a variety of shooting applications...MSRP: $421.34$338.00 -
MSBRG 514 KIT 12/14/CYL W/ASSEMBLY
Mossberg
MSRP: $358.81$267.00The Mossberg MSBRG 514 Kit is a barrel conversion set designed specifically for the Mossberg 500 series. Featuring a 14-inch heavy wall barrel with a cylinder bore, this kit provides a robust and reliable option for users seeking an alternative barrel...MSRP: $358.81$267.00 -
MAXIM PDX UPPER 300BLK 5.5 BLK
Maxim Defense Industries
MSRP: $1,317.02$1,166.00The Maxim Defense Industries MAXIM PDX Upper 300BLK 5.5 BLK is engineered for performance and reliability. Featuring a 5.5-inch barrel, this upper receiver is designed to deliver a compact profile ideal for a variety of shooting applications. Its matte...MSRP: $1,317.02$1,166.00 -
LBE AR 5.56NATO 1/7 TWIST 14.5 BLK
LBE Unlimited
MSRP: $280.30$225.00The LBE AR 5.56NATO 1/7 TWIST 14.5 BLK barrel by LBE Unlimited is engineered for durability and precision. This cold hammer forged barrel features a 14.5-inch length and a 1:7 twist rate, optimized for stabilizing a wide range of 5.56 NATO projectiles...MSRP: $280.30$225.00 -
LBE AR 5.56NATO 1/7 TWIST 13.7 BLK
LBE Unlimited
MSRP: $280.30$225.00The LBE AR 5.56NATO 1/7 TWIST 13.7 BLK barrel from LBE Unlimited is engineered for precision and durability, making it an excellent choice for AR-15 platform upgrades or custom builds. This barrel features a 1:7 twist rate, optimized for stabilizing a...MSRP: $280.30$225.00 -
LBE AR 5.56NATO 1/7 TWIST 12.5 BLK
LBE Unlimited
MSRP: $296.38$248.00The LBE Unlimited AR 5.56NATO 1/7 Twist 12.5" Black barrel is engineered to meet the demands of AR-platform builds and upgrades. Crafted with precision, this cold hammer forged barrel delivers durability and consistent performance, enhanced by a melonite...MSRP: $296.38$248.00 -
LBE READY BUILD KIT 14.5 CHF BBL
LBE Unlimited
MSRP: $596.47$514.00The LBE READY BUILD KIT 14.5 CHF BBL by LBE Unlimited offers a comprehensive solution for assembling a reliable AR-style upper. This kit features a 14.5-inch cold hammer forged barrel with a durable Melonite finish, enhancing corrosion resistance and...MSRP: $596.47$514.00 -
LBE READY BUILD KIT 13.7 CHF BBL
LBE Unlimited
MSRP: $596.47$514.00The LBE Unlimited Ready Build Kit with a 13.7" cold hammer forged barrel offers a comprehensive assembly solution for AR-15 platform enthusiasts. Featuring a melonite finish, the barrel is designed for enhanced durability and corrosion resistance. This...MSRP: $596.47$514.00 -
LBE READY BUILD KIT 12.5 CHF BBL
LBE Unlimited
MSRP: $596.47$514.00The LBE Ready Build Kit 12.5 CHF BBL by LBE Unlimited offers a comprehensive assembly solution for AR-15 platform enthusiasts. This kit features a 12.5-inch cold hammer forged barrel finished with Melonite treatment, ensuring enhanced durability and...MSRP: $596.47$514.00 -
LBE READY BUILD KIT 7.5 CHF BBL
LBE Unlimited
MSRP: $560.30$444.00The LBE Unlimited Ready Build Kit 7.5 CHF BBL is a comprehensive assembly designed to streamline the firearm build process. Featuring a 7.5-inch cold hammer forged barrel with a durable melonite finish, this kit offers enhanced longevity and corrosion...MSRP: $560.30$444.00