Guys that was a great amount of data..wow! Thanks for all the great input.

Kurt, per your last comment, I have a heavy Parker hammer that I want to use for duck/goose so the loads above would be find.

Yes, BP seems to kick alot more but for me, thats half of the fun.

Thanks all for your input...again great information here for the small community of folks that like to use these great pieces of history.