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ine of the guys a geese shot with uses a 20g M2, he produces as many clean kills as the 12g users and with the same shot size and lighter load.

Sent from my Remington 700, from a long way away!!!!

Pretty much the same, just in a 20g you have less pellets than a 12g........................ I think.

Or, same weight of powder, in a smaller bore should produce more speed? Therefore, less...