More and more accessories and upgrade parts are being designed for the newly released Tokyo Marui M4A1 MWS Gas Blowback Rifle. It's also the first time that we see RA-Tech put their attention to making an upgrade part to a Tokyo Marui Gas Blowback Rifle, announcing their Recoil Buffer for the M4A1 MWS. Watch the video how it works and how it gives an even better recoil kick than the original.