The last bit of extra weight has been stripped away for minimum weight and faster locktime. Machined from A-2 tool steel or Stainless Steel and hardened for superior strength and long life. Sear engagement hooks pre-cut to .020" height and ground; ready to polish. Rebated width on half-cock prevents sear nose damage. Combat-style spur is serrated for fast, easy thumb grip. Narrowed body can’t interfere with slide travel. Mfg: Wilson Combat SPECS: Stainless steel (S/S) or A-2 steel, heat treated to Rc 48-52. Fits Series 70 and 80. Minor fitting required.