Wimps smile

Winchester 1897 in 1904 H.H. Kiffe catalog

"The barrel of this gun has been proved with 9 1/2 drams of powder, and 2 1/2 ounces of shot."



British Definitive Proof 1855-1925 12g (bore .710-.740) for a service load of 3 1/4 dram eq. with 1 1/4 oz. shot was with 6 1/2 dram black powder with 1 11/16 oz. shot