thwingster Posted April 20, 2014 Report Share Posted April 20, 2014 I was tearing out an old work bench in my basement today and found this. The writing says: 20 MM DUMMY XM 254 POH 1-2-74 I've never seen one before and am not well (or even poorly) versed in military paraphernalia. I'm hoping someone here can provide some insight into what it was used for/in. sent using tapatalk Quote Link to comment Share on other sites More sharing options...
that1dood Posted April 20, 2014 Report Share Posted April 20, 2014 (edited) I don't everything chambered in 20mm, but I know we used them to function test the CIWS on our ship. I have a couple laying around somewhere still linked together... Edited April 20, 2014 by that1dood (see edit history) Quote Link to comment Share on other sites More sharing options...
texaSS364 Posted April 21, 2014 Report Share Posted April 21, 2014 They were used for practice loading weapons Quote Link to comment Share on other sites More sharing options...
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