When modularity, accuracy, and quality are all important, the Mk4 HT is the rifle of choice. The Mk4 HT features CMMG’s RKM11 KeyMod free-float handguard. The 16.1" 416 stainless steel barrel has a bead-blasted finish and a 1 in 7" twist. The barrel has 1/2-28 threads with a thread protector included. The stock is telescopic with six positions of adjustment for a precise fit on any shooter's shoulder. The receiver is made up of a forged 7075-T6 AL M4-type upper with an AR15-type lower. The standard configuration includes a “F” marked front sight base and a Magpul MBUS rear sight. M4 type 2-piece hand guards. A2 pistol grip. Single stage mil-spec trigger. 30-round magazine.