COMMON FEATURES & SPECS: Caliber: 300 Blk Clear Hard Coat Anodized 7075 Aluminum Receivers (Shades Of Tan May Vary) Free Floating 6061 Aluminum M-lok Handguard (Shades Of Gray (Grey?) May Vary) 70Adeg Safety Selector 2-position Collapsible Pdw Stock Adjustable Low-profile Gas Block Muzzle: 5/8-24 Threads Tapered Muzzle Trigger: 2-stage AR Controls Weight: 4 Lbs 8 Oz Length: 20 In - 25 In Barrel: 7 In 1:5 Twist Handguard: 6 Inch M-lok Muzzle: Cherry Bomb Muzzle Brake