KWA's High Velocity LM4 Bolt Assembly boosts the stock LM4 from 360-380 FPS to 410-450. Engineered by KWA to their exacting standards from high strength steel and nylon fiber polymer, this bolt assembly withstands the impact of the LM4's renown recoil. The boost in FPS will allow for use of heavier BBs for increased accuracy and consistancy especially in wind as well as increasing the rifles effective range.
Increases stock LM4 FPS by 50-70 FPS with 0.20g BBs & green gas at room temperature
Manufactured in Taiwan by KWA Performance Industries
Steel Bolt Housing and Carrier
Nylon Fiber Bolt Assembly to maximize gas efficiency