deadcenter Posted April 6, 2022 Report Share Posted April 6, 2022 Anyone know what this is? Looks like the worlds biggest berdan primer. Next to it in the pic is a large rifle primer for comparison. Quote Link to comment Share on other sites More sharing options...
banus02 Posted April 7, 2022 Report Share Posted April 7, 2022 i would say its 20mm cannon case primer. Quote Link to comment Share on other sites More sharing options...
KABOOM Posted April 7, 2022 Report Share Posted April 7, 2022 20mm or 50BMG perhaps bigger Quote Link to comment Share on other sites More sharing options...
deadcenter Posted April 7, 2022 Author Report Share Posted April 7, 2022 Much too big for 50bmg, I'll get the calipers out and give it a measure. Quote Link to comment Share on other sites More sharing options...
deadcenter Posted April 8, 2022 Author Report Share Posted April 8, 2022 Measures 9mm in dia, 3.9mm deep. Quote Link to comment Share on other sites More sharing options...
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