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Joshua B. asked 9 years ago:

I see that the M&P 15 sport 2 takes both .223 and 5.56 ammo but can someone tell me what the barrel is engraved with? 5.56 NATO or .223?

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2 answers

5.56 NATO

Jason T. 9 years ago

It is engraved with 5.56 NATO. Nice rifle!

Andrew J. 9 years ago