Colt M4 Upper Black

Colt's Manufacturing, Upper, 223REM/556NATO, Black Finish, Dust Cover, Forward Assist, M4 Feed Ramps (SP63528) Upgrade your AR-platform rifle with the Colt's Manufacturing Upper Receiver Assembly, designed for precision and reliability. Crafted by one of the most trusted names in firearms, this upper receiver assembly boasts exceptional quality and performance. Compatible with both 223REM and 556NATO cartridges, it offers versatility for various shooting applications. Features: Authentic Colt's Manufacturing upper receiver assembly Chambered for 223REM/556NATO cartridges Durable black finish for enhanced corrosion resistance Integrated dust cover for added protection against debris and elements Forward assist for reliable bolt closure in adverse conditions M4 feed ramps ensure smooth and reliable feeding Precision engineering ensures optimal fit and function Perfect for building a custom AR rifle or upgrading an existing platform Specifications: Caliber: 223REM/556NATO Finish: Blac