The Hobby Store shows the USW (Universal Service Weapon ) 3D-Printed Glock Carbine Kit compatible with a few airsoft brands' Glock pistols... "Illustrated On The Video Is KSC Glock 34. This 3D Printed USW Glock Carbine Kit Will Fit Only Airsoft Glock 17, 18C and 34. It Will Fit Perfectly KSC Glocks, Tokyo Marui, and WE Gen 3 and Gen 4 Glocks. Please Note That Other Airsoft Models Might Need A Few Modifications To Fit Well."