Starting in 1907, Hunter Arms catalogs included the following statement:
"All Smith Guns are bored full choke unless otherwise ordered. We bore all our guns according to our Multiplied Choke Bore System, which has made the Smith Gun famous the world over for long-distance, close-shooting and hard-hitting qualities."
1897 Sears catalog and the A1 is listed "choke bored on the multiplied system"
1898 Sears catalog
The A1 was not listed in the 1902 Sears catalog