DPMS Oracle ATACS .223 Remington 16 Inch Barrel Black Finish Pardus Carbine Stock 30 Round. Lite contour 4140 chrome-moly steel button rifled barrel with A2 flash hider (birdcage). Six grooves, right-hand 1:9 inch twist. No sights. Upper Receiver: Forged ATACS camo coated A3 Style Flat Top, 7075-T6 aircraft aluminum alloy, hard coat anodized per Mil Spec and Teflon coated black, dust cover, shell deflector, round forward assist and right hand ejection. Lower Receiver: forged 7075-T6 aircraft aluminum alloy ATACS camo coated, hard coat anodized per Mil Spec, semi-auto trigger group, aluminum trigger guard and aluminum magazine release button. DPMS Pardus carbine stock ATACS camo coated. Oval carbine length GlacierGuards are ATACS camo coated. Weight: 6.3 pounds. Length: Extended: 36 3/8 inches - Collapsed: 32 1/2 inches.