This diamondback db15 rifle features a mid-length, medium 4150 chrome moly 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.It comes with one 28-round cpd mag and one 5-round cpd mag.This model has a diamondback black gold lower receiver.Action: Semi-AutoCaliber: 6.5 GrendelBarrel Length: 18"Capacity: 5+1Stock Description: Adjustable Magpul CTRMuzzle: Flash HiderReceiver Material: 7075-T6 AluminumSights: None, Optic ReadyBarrel Description: 4150 Chrome MolyTwist: 1:8"Barrel Length Range: 18" to 18.99"Hand: RightStock Finish Group: BlackMetal Finish Group: Blued/Black