Another tutorial video from Elite Force showing you can use their rebuild kit for the Glock 17 Gen 4 Gas Blowback Pistol... "This DIY video is a How-To instruction for the Pistol Rebuild Kit made for the GLOCK 17 Gen 4 airsoft PISTOL which is Elite Force / Umarex USA item number #2276300.

Watch this video to see how to disassemble, repair, and reassemble the GLOCK 17 Gen4 Airsoft Pistol."

Elite Force Guns released a series of videos showing you how to work with their gun rebuild kits. In this video, they cover the USP GBB Pistol and you can ask your nearest airsoft retailer if they have this in stock... "This installation video guide is for the Elite Force HK UPS Gas blowback by KWA."