Plinker Plus AR-15 Specifications Receiver Material 7075 T6 Aluminum Forged Receivers Machined By Olympic Arms Receiver Finish Black Matte Anodized Receivers, Parkerized Steel Parts Action Gas Operated Semi-automatic Action Upper Type A1 w/ ajustable windage only Front Sight Elevation adjustable post w/ bayonet lug Handguard Fiberite carbine length caps Barrel 16", button rifled, 4140 chromemoly steel Chambering 5.56 NATO Bore Long-life non-chromed bore Twist Rate 1x9 Muzzle A2 flash suppressor Stock A2 w/ trapdoor Length 35.75" Weight 7.37 lbs $687.70 MSRP