Just like the Version 1, Version 2 and Version 3 slides, the Version 4 is the perfect aftermarket performance upgrade to your factory Glock 17/19 or an 80% pistol build. Machined from 17-4 billet stainless steel: Check! Tighter tolerances than factory parts: Check! Dual compatibility with either the Leupold Deltapoint Pro or Trijicon RMR: Check! Where the Version 4 slide really steps out on its own is the microscale pattern texture that provides a higher level of frictional grip in any direction of pull. Coupled with the top window cutout, this will quickly become your next favorite slide pattern for carry or duty.FeaturesStripped slide machined from 17-4 Billet Stainless Steel to have tighter tolerances than a factory slide Black Nitride Coated inside and out Version 4 Slide Pattern with studded microscales for enhanced frictional gripDual optic cutout compatible with Leupold DeltaPoint Pro or Trijicon RMR with supplied shim plate (correct length screws included)Includes a custom G...