Rra lar15 predator2.223 wylde 6 pos stk 16" bbl gunmetal gry FEATURES:-Caliber: .223-Barrel: 16"-Twist: 1:8"-Synthetic stock-Hogue rubber grip-20 round capacity-Overall length: 33.5"-Weight: 7.6 lbs Other Features: Fred eichler series freefloat handguard.Fluted stainless barrel.Rockote gunmetal gray.Hogue rubber grip.Rra operator car stock mid-length gas system.Bcm gunfighter charging handle.Rra chrome tw0 stage trigger w/non-reflective surface fred eichler muzzle brake