While the .40 is legal for deer here in NC, I rebarreled it for small game...It's a blast hunting squirrels with the .40!!!

btw...I was talking with my younger brother last night and mentioned using the .243 in Canada...A few years back, he was up there and the guide he used actually used a .243 for deer, said it did fine...I've killed about 150 or so with mine, no problems...Good Luck...