Wouldn't that be a nice little hunting rifle? Either .22 WMR, or any of the .17 rimfires (HMR/ Mach 2). Any of those would be a blast. Sadly there aren't too many semi-auto WMR or 17 HMR's.
I wonder if the .17 Mach 2 could be done and S&W just sell the upper and use the same lower as the .22LR?
I wonder if the .17 Mach 2 could be done and S&W just sell the upper and use the same lower as the .22LR?