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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RISE CMPLT UPPR 22 ARC 18 PAT BRN
Rise Armament
MSRP: $1,199.00$999.00The Rise Armament RISE CMPLT UPPR 22 ARC 18 PAT BRN is a precision-engineered upper receiver designed for the 22 ARC platform. Featuring an 18-inch barrel crafted from 416R stainless steel, this upper offers enhanced durability and consistent performance...MSRP: $1,199.00$999.00 -
PWS MK116 MOD 1-M UPR 16 762X39 BLK
Primary Weapons Systems
$1,130.00The Primary Weapons Systems MK116 MOD 1-M UPR 16 7.62x39 is a precision-engineered upper receiver designed to enhance the performance and reliability of compatible AR platforms. Featuring a robust 16.1-inch barrel and a free-floating M-LOK handguard,...$1,130.00 -
NOVESKE CHAINSAW 556 16 MLOK UPPER
Noveske
MSRP: $1,300.00$1,246.00The Noveske Chainsaw 556 16 MLOK Upper is a precision-engineered component designed to enhance the performance and versatility of your AR-15 platform. Featuring a 16-inch barrel, this upper combines the refined aesthetics of NoveskeÂ’s Gen 4 design with...MSRP: $1,300.00$1,246.00 -
LUTH AR 24 BULL BBL COMP UPPER 223
Luth-AR
MSRP: $514.95$501.00The Luth-AR 24 Bull Barrel Complete Upper is a precision-engineered component designed for AR-15 platforms. Featuring a 24-inch fluted bull barrel crafted from durable 416 stainless steel, this upper offers enhanced heat dissipation and rigidity. The...MSRP: $514.95$501.00 -
LANTAC RECON UPPER 223 WYLDE 16
LanTac USA LLC
MSRP: $1,322.99$1,191.00The LANTAC RECON UPPER 223 WYLDE 16, manufactured by LanTac USA LLC, is a precision-engineered upper receiver designed for AR-15 platforms. Featuring a 16-inch barrel with a 1:7 twist rate, this upper is chambered in 223 Wylde, providing versatility for...MSRP: $1,322.99$1,191.00 -
FAXON ION ULTRALT 16 556NATO UPPER
Faxon Firearms
MSRP: $1,099.00$1,012.00The Faxon Firearms ION ULTRALT 16 556NATO Upper offers a high-performance solution for AR-15 enthusiasts seeking a balance of durability and lightweight design. This upper assembly features a 16-inch barrel optimized for the 5.56 NATO caliber, providing...MSRP: $1,099.00$1,012.00 -
FAXON ARAK-21 7.62X39 16 UPPER
Faxon Firearms
MSRP: $999.00$920.00The Faxon Firearms ARAK-21 7.62x39 16" Upper is a complete upper receiver assembly engineered to fit seamlessly with the standard AR-15 platform. This assembly replaces the upper receiver while maintaining compatibility with your existing lower,...MSRP: $999.00$920.00 -
DD M4V7 UPPER 556 16 MLOK BLK
Daniel Defense
MSRP: $1,300.00$1,208.00The Daniel Defense DD M4V7 Upper 556 16 MLOK BLK is engineered for reliable performance and versatility. Featuring a 16-inch cold hammer forged barrel with a government profile, this upper receiver group is designed to offer consistent accuracy and...MSRP: $1,300.00$1,208.00 -
COLT EPR UPPER 5.56 16 MLOK BLK
Colt
MSRP: $1,049.00$994.00The Colt EPR Upper 5.56 16 MLOK in black is engineered to deliver dependable performance and durability. Featuring a 16-inch barrel, this upper receiver is designed to integrate seamlessly with compatible platforms, providing a reliable foundation for...MSRP: $1,049.00$994.00 -
CMMG UPPR RSLT MK4 6MM ARC 16.1 BLK
CMMG
MSRP: $899.95$756.00The CMMG UPPR RSLT MK4 6MM ARC 16.1 BLK is a precision-engineered upper receiver designed to enhance the capabilities of your AR-15 platform. Built by CMMG, this upper features a 16.1-inch barrel finished in durable black Cerakote, providing corrosion...MSRP: $899.95$756.00 -
CMMG UPPR RSLT MK4 350LEG 16.1 BLK
CMMG
MSRP: $899.95$756.00The CMMG UPPR RSLT MK4 350LEG 16.1 BLK is a high-quality upper designed to deliver reliable performance and precision. Manufactured by CMMG, this upper features a 16.1-inch barrel finished in durable black Cerakote, providing enhanced resistance to wear...MSRP: $899.95$756.00 -
BLACK RAIN UPPER 458SOCOM 16 BLK
Black Rain Ordnance
MSRP: $999.00$919.00The Black Rain Upper 458SOCOM 16 BLK from Black Rain Ordnance is a precision-engineered upper receiver designed for the 458 SOCOM caliber. Featuring a 16-inch forged barrel with a 1:14 twist rate, this upper is crafted to deliver consistent performance...MSRP: $999.00$919.00