This db15 rifle features a carbine-length, medium 4150 chromemoly barrel, mid-length gas system with pinned gas block, and a shot-peened mil-spec 8620 bolt carrier.It utilizes 7075-t6 aluminum receivers, 15" m-lok anti-rotation handguard, magpul moe-k2+ grip, and a magpul acs-l stock.Action: Semi-AutoCaliber: 5.56x45mm NATOBarrel Length: 16"Capacity: 30+1Trigger: Single-StageOal: 34"-37.25"Weight: 7.15 lbsStock Description: Adjustable Magpul ACS-LMuzzle: Muzzle BrakeReceiver Material: 7075-T6 AluminumSights: Magpul MBUS Pro Front & RearBarrel Description: 4150 Chrome MolyTwist: 1:8"Barrel Length Range: 16" to 16.99"Weight Range: 7 lbs to 7.99 lbsHand: RightStock Finish Group: BlackMetal Finish Group: Blued/Black