I have rubberized Talon and Traction grips on a couple of my smaller pistols and like the feel and purchase of the pistol's grip much better. It might just be my imagination, but I think they help with recoil even though they add virtually nothing to the grip's dimensions. With the inter-changeable back straps on my M&P compact, I've never felt the need to put any on it. I've liked the rubberized version enough I haven't tried the grit-type, but I would be concerned they might irritate my skin if the pistol contacted it.

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M&PC FS BG Shield+ 642 686+