ProWin - M4 Chamber for M4

120 round mid-cap metal training magazine

The improved follower keeps the pressure of the spring concentrated in line with the bb stack instead adding sideways pressure to the bb stack and against the walls of the magazine bb channel

The Slide Kit Set include Slide

Golden Eagle International (HK) Limited was founded in 2007

Monk Customs 7" Carbon Fiber Outer Barrel (Red) AW Custom ProWin - M4 Chamber forThe Monk outer barrels are build for super lightweight set ups! By using nylon and carbon fiber the 7 outer barrel is the most lightweight outer barrel on the market today. This outer barrel is compatible with the M4 series. . Deck out your custom gun today with the newest aftermarket accessories in the game! Let's Get It!