The EMG SAI Utility Slide kit is a functional and "utility" based design slide. The slide is to work directly with the Umarex Glock 17 series GBB pistol and comes ready with an "RMR" cut.
Umarex/Elite Force Glock 17 GBB Series
x1 EMG SAI Utility Slide Kit w/ RMR Cut (by G&P) - Gold Barrel for Umarex Glock 17 GBB Pistol
x1 Outer Barrel & Thread Protector
Front & Rear Sight, Screws, Fiber Optic