Dynamic Precision Reinforced Aluminum Valve Blocker for Tokyo Marui M4A1 MWS [Code: DP-TM-M4-NP4]
Retail Price: 12.99
Dynamic Precision have released a far more durable Reinforced Aluminum Valve Blocker for the Tokyo Marui M4A1 MWS that will push your M4 to the limits using green / top gas.