Interesting evolution by Hunter Arms. The Syracuse guns were offered in 3 frame sizes, and possibly JDW would know if the bore varied with the frame size

1886



1902 Sears, Roebuck & Co. Catalogue No. 111 "Bored For Nitro Powder"



1907 Sears, Roebuck & Co. Catalogue No. 116 "All our guns are tested with heavy loads"..."Choke bored for black or smokeless powder". Courtesy of Gary Rennles



1905 "For Nitro Powder"



1918 E.C. Simmons, St. Louis "Bored For Nitro Powder" again


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