Hinterland Outfitters - RADICAL Firearms Rf-15, Semi-auto, Ar, 300 Blackout, 16 In Barrel, 1:8 In Twist, 15 In Rpr Mlok Handguard, Anodized Finish, Black, Coyote Brown B5 Pistol Grip And B5 Stock, 1 Mag, 30 Rounds Fr16-300hbar-15rpr-cb