All Grey Ghost Precision Slides are stripped slides. They are machined from 17-4 Billet Stainless Steel to have tighter tolerances than a factory slide. They are Black Nitride coated inside and out. NEW dual optic cutout compatible with Leupold DeltaPoint Pro or Trijicon RMR with supplied shim plate (correct length screws included). Mfg: Grey Ghost Precision
