PTS Fortis REV™ Free Float Rail System 9 CAR Cutout (9 inch) ninja-hpa Compatible with G&G M9 magazines

Compatible with G&G M9 magazines

You can enable or disable the Active Brake at any time

they function better once they are broken in and the spring becomes more flexible and can be manually broken in by spraying some light silicone oil into the magazine and loading and unloading the magazine couples times allowing perfectly smooth function

Magazine Compatibility - ARES M45 magazines

PTS Fortis REV™ Free Float Rail System 9 CAR Cutout (9 inch) ninja-hpa Compatible with G&G M9 magazinesFortis REV is an extremely lightweight yet robust free floating rail system. We've managed to reduce as much weight as possible while maintaining strength by utilizing a 1 piece body design. KeyMods were added at the 6 & 9 o'clock positions for modularity and additional weight savings. This airsoft product is manufactured under authorized Fortis Manufacturing license. Fortis Manufacturing logo and associated brand names are trademarks of Fortis