Capt_C Posted October 16, 2014 Share Posted October 16, 2014 I'm thinking about installing a 1913 rail on the receiver of an M2 field, and my plan was to remove the filler-screws and screw-on a rail... that's when I discovered the M2 field is not drilled-and-tapped. I assumed all Benelli SGs were optics-ready, but evidently such is not the case. Anyone know the actual wall-thickness of the top of the receiver? I assume it is thick enough to take #8-40 / #8-48 threads? Also, anyone with an M2-Tactical know the standard thread used (40-tpi or 48-tpi)? Thanks, Capt_C Quote Link to comment Share on other sites More sharing options...
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