I have been banging on about them for a while, my Brocock absolutely loves them, as did my old HW77, they are still accurate at long range, hit very hard in .177 and I tell you what, I have recovered one or two from various things I have shot,there does appear to be some expansion, not perhaps as much as some would have us believe, but they really do seem to impart a hell of a lot of energy into the animal, body shot woody's literally just fold without a twitch, and the sound when you head shoot squirrels is tremendous, so yes give them a try bud, if your rifle likes them, I think you will be