dlipary Posted October 2, 2008 Share Posted October 2, 2008 Will a super 90 extension tube fit a M3 or SBE1? Quote Link to comment Share on other sites More sharing options...
cody6.0 Posted October 2, 2008 Share Posted October 2, 2008 I beleive the M2, M3, SBE's all share the same size threads on the barrel retaining nut. Quote Link to comment Share on other sites More sharing options...
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