For those who are planning to upgrade their Tokyo Marui MWS Gas Blowback Rifle, watch Ollie Talks Airsoft as he discusses about the bolt travel... "Explaining one of the most common issues people have when upgrading their MWS's and how to make sure you don't have problems in the future.

IF YOU HAVE A STOCK MWS YOU WILL NOT NEED TO DO ANYTHING, THIS IS ONLY FOR WHEN YOU START UPGRADING."