Caliber: 5.56/.223 Manufacturer: Seekins Forged SP15 Lower, PSA Premium 16" CL MPI Mil-Spec 1:7 M Sale Price: $850 Location: Gwinnett/NE I have a Seekins forged aluminum SP15 lower with milspec buffer tube. PSA premium upper, 1:7 twist 16". F marked front sights PSA LPK PSA BCG and charging handle MOE furniture MOE trigger guard UTG Flip BUIS sights. Trades Accepted (no Hunting rifles, Milsurp, 22's or Revolvers)