Upgrade your recoil on your TM M-series pistol! This 150% recoil spring comes with a cnc machined stainless steel guide rod, as well as four recoil buffer pads that you can combine and add to perfectly tune the recoil of your G-series pistol! This can make for a more robust training platform, or just enhance the realism of your gameplay! It is compatible with most m-series pistols, including TM and WE.