SPWhite Posted September 13, 2014 Report Share Posted September 13, 2014 I hope this is the right place for this question. I just picked up a M&P 10. A friend of mine gave me about 200 rounds of what he says is 7.62. It has a head stamp that reads. LC. 74 and a circle with a cross in it. It looks like a 7.62, but I want to make sure before I shoot them. I would hate to chamber a round that is the wrong caliber. Can some one give me an answer. Thanks. Quote Link to comment Share on other sites More sharing options...
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