Picked up my 15-22 Sport few days ago at my LGS. I've been going back and forth between this guy and a performance center version for a few weeks after narrowing down to the M&P a few weeks ago.
In short, I'm happy with my decision. Accuracy was good and grouping was great. I put 100 rounds through (Federal Auto-Match) without a hiccup.
Here are rounds 81-100 @25 yds.
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I can't complain. It's factory stock for now and likely for a while till I figure out what / if I need to modify!
Less than $6 cost for 100 rounds at the range!!!