newsh Posted May 4, 2018 Share Posted May 4, 2018 Thinking about building a MK18 using a TM recoil M4 - whats the best platform for the build? I was thinking M4 CQBR in DE, has the 10.3" barrel which should be spot on for the rail? The Madbull 9.5" DD rail is the rail of choice i'm led to believe, and there's another Nuprol rail that can be used but is only 9" - anyone seen that one? Any advice most welcome, I'm no expert on the Mk18 Link to comment Share on other sites More sharing options...
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