Tokyo Marui MTR16 G-Edition GBBR Airsoft M4 (ZET System) - Cerakote Version

MLOK Rail MWS System MWS Compatibility Cerakote Finish Unique Original Design High Gas Efficiency Snappy Recoil This product is only compatible with gas designed specifically for Airsoft guns. Do not use lighter fluid or butane gas, as that will cause permanent damage.