An overview video by OPS-Store of the M4A1 MWS CQBR Gas Blowback Rifle from Tokyo Marui... "Today, we present in detail the M4A1 MWS CQBR BLOCK 1 replica from Tokyo Marui, equipped with the famous ZET System. The M4A1 MWS CQBR BLOCK 1 is an essential replica that has proven itself for several years.

The famous Japanese manufacturer Tokyo Marui offers an airsoft replica GBBR M4A1 MWS BLOCK 1 with a full metal body in black version for an exemplary finish. This replica has a hard-hitting blowback system for very good sensations of realism when shooting. Tokyo Marui has equipped internally a ZET system to correct all the defects of their old GBBR models in order to considerably extend the life of the slide (tested on more than 10,000 shots in the factory)."