I may be wrong wink Catalog pages courtesy of Researcher

c. 1906 Stevens 225 "Adapted for any standard make of shell, loaded with either black or smokeless powder."



Post-WWI Stevens 235 "Any standard factory loaded shell."



Until Western Cartridge Co. introduced the 'Super-X Field' 12g 2 3/4" 1 1/4 oz. 3 3/4 Dr. Eq. (1330 fps) shell in 1922, the maximum "standard" load would have been 1 1/4 oz. 3 1/4 Dr. Eq.