Daniel Defense MK18 Upper Receiver 5.56mm NATO 10.3-Inch Barrel FDE with RIS III Rail

Description

The Daniel Defense MK18 complete upper receiver delivers elite short-barrel performance in 5.56mm NATO with a 10.3-inch barrel and a 9.5-inch FDE RIS III free-float rail. Featuring an enhanced trigger guard and mil-spec components, it’s a top-tier AR-15 upper for tactical builds and close-quarters applications.