KWA Gas Magazine Release Valve

Replacement Gas Magazine Release Valve for a wide variety of gas magazines. If you have a leaky magazine, these replacement valves are super simple to install and can save lots of money in the long run! Compatible with the following KWA Gas Pistol and SMG Magazines: M9 M93R II ATP USP & USPC HK45 MK23 MP7A1 kz.75 KMP9 M1911 MK Series M1911A1 TT-33 magazines