So far I really like it. Everything about it seems well finished and it operates very smoothly. It's a bit easier to rack the slide than the Ruger, but I've been told the slide spring is a 1.5 to 2.5 lbs. lighter (can't remember now). The fitting of the grip safety is better on the R1, but the Ruger has less side to side play in the trigger. Triggers between the two feel about identical in the way they pull and break. Fairly light and very clean. The Enhanced's grips are a little bulkier, I prefer slimmer grips, but I have no plans to change them unless I find some I REALLY like.

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Rod
M&P 22A, 40c, 15A, 15-22