Willy B.SASS#26902 Posted February 28, 2014 Share Posted February 28, 2014 I need to replace a detonics 45 acp barrel which has proven so far to be mission impossible, I think the Rock Island compact's barrel is pretty close to what I need but I would really like to know the muzzle diameter before I order one, If you have one or have access to one I'd really appreciate your letting me know the muzzle diameter. Thanks Willy B' Link to comment Share on other sites More sharing options...
J. Mark Flint #31954 LIFE Posted February 28, 2014 Share Posted February 28, 2014 I have one. I'll put the micrometer on it tonight and post up. Link to comment Share on other sites More sharing options...
Buckhorn Bud Posted February 28, 2014 Share Posted February 28, 2014 My GI standard model measures .575 - .579 (not quite round). If the compact uses the same barrel bushing as the GI model this should be good. Link to comment Share on other sites More sharing options...
captqueeze Posted February 28, 2014 Share Posted February 28, 2014 Compact doesn't have a barrel bushing. Link to comment Share on other sites More sharing options...
Buckhorn Bud Posted February 28, 2014 Share Posted February 28, 2014 Guess I'm not much help then. Sorry Link to comment Share on other sites More sharing options...
captqueeze Posted February 28, 2014 Share Posted February 28, 2014 It still might work Buckhorn, it's the RIA that doesn't use the barrel bushing, so it still might work in a Detonics. Link to comment Share on other sites More sharing options...
Willy B.SASS#26902 Posted March 1, 2014 Author Share Posted March 1, 2014 Thanks J Mark I appreciate it. I've been looking for a replacement barrel for the Detonics for over a year with no luck, It use's the same style and length of coned barrel(No Bushing) as the RI Compact so I'm hoping It's close enough to work. Thanks for the input guys I should have said it was for a Detonics combat master compact not a standard 1911. Willy B' Link to comment Share on other sites More sharing options...
Major Hazzard, SASS #23254 Posted March 1, 2014 Share Posted March 1, 2014 Mine measures exactly 0.70". Measured with a dial caliper. Link to comment Share on other sites More sharing options...
Willy B.SASS#26902 Posted March 1, 2014 Author Share Posted March 1, 2014 Thanks Major Hazzard You beat J Mark to the punch and that's exactly the measurement I needed, The Detonics barrel is only a couple thousandth's bigger so the Rock Island barrel should fit Thanks again Willy B' Link to comment Share on other sites More sharing options...
J. Mark Flint #31954 LIFE Posted March 1, 2014 Share Posted March 1, 2014 mine measured .689 at the largest point. Link to comment Share on other sites More sharing options...
Willy B.SASS#26902 Posted March 2, 2014 Author Share Posted March 2, 2014 Thanks J Mark At .689 there might be some slop at the muzzle but at least the gun would be shootable, The RI barrels are pretty inexpensive so it looks like it's worth giving it a go. Willy B' Link to comment Share on other sites More sharing options...
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