I've done my research on this a few years ago and it came down to the CCI Mini Mags out of a pistol barrel - Ruger SR22, approx 3.5" bbl
The higher velocity of the Stingers didn't penetrate enough because it mushroomed too soon.
The Mini Mags penetrated much further and mushroomed properly.
The higher velocity of the Stingers didn't penetrate enough because it mushroomed too soon.
The Mini Mags penetrated much further and mushroomed properly.