Mapleleaf Steel hop-up unit for Glock Umarex Gen5 + 6,02mm inner barrel 113 MM
igh performance hop-up chamber & high precision barrel High precision steel construction Compatible with Glock Umarex Gen5 only Drop-in hop-up unit, which replaces the original hop-up chamber without modifications Maintains a perfect seal between the hop-up rubber and the nozzle Very fine and stable hop-up effect settings Comes with 6,02mm...