Mike Scharf Posted August 2, 2020 Share Posted August 2, 2020 I have a ethos nickel engraved 20 gauge. date stamp is CU. Anyone know what year that is? Quote Link to comment Share on other sites More sharing options...
Schutzhund Posted August 2, 2020 Share Posted August 2, 2020 On my M4 i have also CU marking and it should be 2019 Quote Link to comment Share on other sites More sharing options...
NoTycoon Posted August 3, 2020 Share Posted August 3, 2020 CU is 2019 Quote Link to comment Share on other sites More sharing options...
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