Guns Modify Tokyo Marui MWS GBBR Hammer (2 Modes, CNC Steel)

The Guns Modify Steel CNC 2 Modes Hammer for Tokyo Marui M4 MWS GBBR is a reinforced hammer. It's capable of supporting high power upgrades. For those who don't know Guns Modify, they are a well known brand in Asia for quality upgrade parts at a affordable price. Please refrain from installing onto other platforms other than the TM GBBR M4.