How old is a Ranger Sears and Roebuck 16 gauge shotgun model number 102.25 with serial number 27369?

I must first say that sears did not keep any production records of the shotguns they bought from various makers.your sears model 102.25 was made by Stevens.The model of your shotgun is Stevens model 520A. These john browning designed semi auto shotguns had the hump back design noted on browning shotguns.these Stevens model closely resemble the savage model 720 with the same john browning design,and these were made from 1930-1949.