This Diamondback DB10 Rifle features a mid-length, medium 416 stainless steel fluted barrel, mid-length gas system and a shot-peened Mil-Spec 8620 bolt carrier. It utilizes 7075-T6 aluminum receivers, 15" M-Lok handguard, Magpul MOE-K2 grip, and a Magpul CTR stock. This model has a Diamondback Black Gold lower receiver. Oal 36"- 39.25" Hand Right Twist 1:10" Action semi-auto Muzzle Flash Hider Safety Manual Thumb Sights Optic Ready Weight 8.73 lbs Caliber 308 Win Capacity 20+1 Weight Range 8 lbs to 8.99 lbs Barrel Length 18" Receiver Material 7075-T6 Aluminum Stock Description Adjustable Magpul CTR Barrel Description Stainless Steel Fluted Metal Finish Group Blued/Black Stock Finish Group Black Barrel Length Range 18" to 18.99"