M4s in a 9mm format are either winning or a omit in the gun world as the 9mm model magazines would require you to purchase alternate magazines. On the replace hand, there is a twist in direction of the finish.
We at RWTV want to thank Milsim Media and USAirsoft for permitting us to make utilize of their photos. Here are the hyperlinks to their videos –
Milsim Media: https://www.youtube.com/gaze?v=f_s_VHTex8Q&t=47s