Sports south exclusive.The diamondback db15 carbon series features a carbine length gas system; shot-peened, magnetic particle inspected mil-spec 8620 carrier bcg; a3 flattop, t-marked upper; handguard- front and rear qd, hand stop, 15" m-lok rail with texture pads, picatinny rail.Includes 30rd magpul gen m2 pmag.Caliber: 5.56x45mm NATOBarrel Length: 16"Capacity: 30+1Trigger: Mil-SpecOal: 32.50"- 35.75"Weight: 6.80 lbsStock Description: Magpul CarbineMuzzle: A2 Flash HiderReceiver Material: AluminumSights: NoneBarrel Description: Medium Taper ThreadedTwist: 1:8" RHBarrel Length Range: 16" to 16.99"Weight Range: 6 lbs to 6.99 lbsStock Finish Group: BlackMetal Finish Group: Blued/Black