Kuat Posted April 16, 2009 Share Posted April 16, 2009 Guys, could you please post in detail how the Mesa ShellHoders (4/6/8) attach to the M4? I understand that the original top rail is removed. But why the Mesa shellholder has the screw holes on the left side? Are they supposed ot be used? (maybe if anyone got detailed photos, it would be awesome) Thanks. Quote Link to comment Share on other sites More sharing options...
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