Fits every double stack Glock in 9mm, SW40, and 357, across every generation. Pull it out of the box and it's ready. Installation video below walks through the whole process No sight calibration needed. The kit uses your Glock's factory sights as they are Fits over 40 Glock models Runs with compensators and red dot optics Your pistol stays exactly as the manufacturer built it. No disassembly, no permanent changes UCH charging handle needs no modifications, or charge off a mounted red dot instead Light enough you forget it's there, compact enough to stay out of your way Made from glass-reinforced polymer Add optional Picatinny rail adapters whenever you want more mounting options Adds a stable third point of contact, which cuts muzzle rise and tightens your groups Still fires fine with the armbrace folded down Fits the G7 proprietary holster Works with Umarex and Cybergun official