Spike's Tactical Pipe Hitters Union AR-15 556NATO 16" 1:7 Twist Cold Hammer Forged Barrel, Skull Lower Receiver, Semi-automatic Rifle, Black Finish, Minimalist Stock, CMC Trigger, 13.2" MLOK Rail, R2 Muzzle Brake, No Mag Available to order on-line. Ships in 5-14 days $1,912.50