For punching paper I load 65 grains of (don't anybody shoot me now) Pyrodex P. I shoot Pyrodex cause I found a good deal on it and loaded up on it.

I was shooting 80 grains and even with the butt of the stock between my bicep and shoulder, it was beating me up too much. I had some major bruising on my arm and boy was it sore. Even now with 65 grains I've got to be careful that I remember to really lift my elbow up and move the crescent butt plate down from my shoulder a little.

The .45 might be a bit easier on me...I not young anymore.