Originally Posted by bulletproof
For some reason I wasn't notified in my email about the last 2 posts here. I just returned here to ask another question.
While looking at the S&W M&P tactical website, I noticed that some of the M&P's such as the Sport says 5.56 mm NATO, and others like the M&P15 say 5.56 mm NATO / .223. Why is that?
Possibly because people who are looking at the higher end models are already aware that an AR chambered for 5.56 will also fire .223 and did not want to restate it, but wanted to state so on their entry level guns so that those who are just getting into the AR game will understand that it can handle both.
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