Forged from 7075 t6 aluminum, precisely machined to m16/m4 specs, m4 feed ramps, hard-coat anodized mil 8625 type 3 class 2 finish,.250 take down pins, mi m16 bolt carrier group, mi-crm15" combat series handguard, m-lok(tm) compatible, laser engraved t-marks, lightweight melonite barrel, 16 inch, 1/8 twist,.223 wylde chamber, mid-length gas system,.625 diameter barrel, a2 flash hider, works with standard ar15 components and magazines, receiver rear takedown pin detent hole threaded for a 4-40 set screw, mil spec diameter buffer tube, magpul(r) ctr(r) buttstock, magpul(r) moe(r) grip, heavy duty quick detach end plate mi-hdepAction: Semi-AutoCaliber: 223 WyldeBarrel Length: 16"Capacity: 30+1Safety: Manual ThumbWeight: 5.88 lbsStock Description: 6 Position Magpul CTRMuzzle: A2 Flash HiderReceiver Material: 7075-T6 AluminumSights: None, Optic ReadyTwist: 1:8"Barrel Length Range: 16" to 16.99"Weight Range: 5 lbs to 5.99 lbsHand: RightStock Finish Group: Black