Made by Winchester for Sears during the 60s-70s. Based upon the Winchester Model 1400 autoloader, so most parts should be interchangable.brandy said:I am looking for the value and any other information on my ted williams sears roebuck model 300 12 ga. 2 3/4 shotgun. Serial number Q58531 , No. 2731350. Any help would be great. Thank you!