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.Action: Semi-AutoCaliber: 308 WinBarrel Length: 18"Capacity: 20+1Oal: 36"-39.25"Weight: 8.73 lbsStock Description: Adjustable Magpul CTRMuzzle: Flash HiderReceiver Material: 7075-T6 AluminumSights: None, Optic ReadyBarrel Description: 416 Stainless Steel FlutedTwist: 1:10"Barrel Length Range: 18" to 18.99"Weight Range: 8 lbs to 8.99 lbsHand: RightStock Finish Group: BlackMetal Finish Group: Blued/Black