The GGP320 stripped slides offers enhanced aesthetic features, increased grip serrations and an improved coating without compromising function. It is constructed of 416 stainless steel with an optic cut compatible with Leupold DPP, Trijicon RMR, and Sig Romeo1. Included is a G10 cover plate. This version 1 features an aggressive serrations and window cuts. NOTE: X-FIVE BARRELS ARE NOT COMPATIBLE WITH GGP320 SLIDES DUE TO ITS PROFILE. PLEASE USE A STANDARD FULL SIZE 320 BARREL.