This is excellent performance IMHO and this bullet is designed for very minimal expansion
Not really. It is just a 300gr version of the other XTPs. They expand quite nicely for me when driven fast enough. They aren't a going to expand much when launched from a 4" barrel though.
They penetrate well because.....they're 300grains
Actually, that load doesn't expand much if any out of longer barreled revolvers either. I have chronographed them out of a 10 1/2-inch SBH and they underwhelmed from a velocity standpoint, however, they were dead accurate. I suspect they don't want them to expand much. They're only rated at 1,150 fps.
