Heckler & Koch presents the MR556 A4 Upper Receiver Kit, a pinnacle of engineering excellence. This kit features a 16.5" cold hammer-forged barrel, an adjustable gas block, and an M-LOK handguard, ensuring superior performance and reliability. Design…

The Daniel Defense MK18 Upper Receiver Group is a testament to superior design and engineering, featuring a 10.3" Cold Hammer Forged Barrel and the renowned RIS II Rail System. This complete upper receiver is crafted for precision and reliability, ma…

The Daniel Defense DDMK18 Upper Receiver is a top-tier option designed for optimal performance and reliability. Featuring a 10.3" Cold Hammer Forged Barrel and the MK18 Rail Interface System (RIS II), it’s the same upper used by USSOCOM for CQB...

The Brownells BRN-180SH 10'' Upper Receiver 300BLK is a testament to precision engineering and robust design. Crafted for suppressor optimization, it features a 10'' barrel with a 300 Blackout chambering, ensuring flexibility in ammunition choice. Th…

The Brownells BRN-180 Gen 2 Upper Receiver 223 Wylde 18.5'' Barrel Black is a testament to superior design and engineering. This complete upper receiver assembly features a robust short-stroke gas piston system, ensuring maximum reliability and minim…

The Brownells BRN-180 GEN 2 SPORT 16'' 223 Wylde Upper Receiver Assembly is a marvel of modern engineering, offering a robust design with a 16'' barrel made from 4150 carbon steel and a Nitride finish. This upper receiver is chambered in .223 Wylde,.…

Introducing the Brownells BRN-180S GEN 2 10.5'' 7.62X39MM Upper Receiver Assembly, a masterpiece of engineering and design. This complete upper receiver assembly features a robust anodized finish and a 10'' barrel with a 1-9.5 twist, ensuring reliabi…

The Colt CLT Upper 223REM 16.1 is engineered for precision and reliability, featuring a 16.1-inch barrel without handguard or sight. Designed for seamless integration, it includes a charging handle and bolt, making it an ideal choice for customizatio…

The Colt EPR Upper Kit 5.56 14.5" BLK is a testament to Colt's commitment to quality and precision. Engineered with high-quality components, this upper kit is designed for both new shooters and seasoned gun owners. Its durable construction and long-t…

The Colt EPR Upper 5.56 16" MLOK BLK is a testament to Colt's dedication to quality and reliability. This upper receiver features a 16" chrome-lined barrel, M-LOK handguard, and is compatible with 223 Rem/556 NATO. Designed for durability and precisi…

The Faxon Firearms URFAXFAC338 Upper Receiver is a testament to Faxon's commitment to quality and innovation. Crafted from 7075-T6 forged aluminum, this upper receiver is designed for the 338 ARC caliber, offering enhanced reliability with modified f…

Knights Armament presents the SR-25 Precision Carbine Kit, engineered for superior performance with a 16" barrel and anodized finish. Ideal for precision shooting and range time, this upper receiver assembly is a testament to Knights Armament's...