You don't say hunting what but I will assume deer. Afraid a Sig is not the best choice for this even though they are great for their intended purpose. A 40 or 45 will kill a deer but does not have the recommended energy (1000 lbs ft or close to it). Better go with 44 mag, 480 Ruger, 454 casul revolvers or one of the Thompson Center type hand cannons. You don't want a wounded animal to get away to die later. You might could squeek by with a 10mm if you like semi autos.
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