Tokyo Marui introduces the M4A1 MWS (Modular Weapon System), a gas blowback assault rifle that represents the pinnacle of current US military firearm technology, based on the M4 carbine enhancement program.
Uniquely Designed Blowback System Highly Efficient Gas Performance Consistent FPS Exceptional Accuracy Cerakote Finish Enjoys the Widest Range of M4 Gas Blowback Upgrade Parts Magazines Designed to Work Only with Tokyo Marui M4 MWS Spec Magazines