The "Winchester M-300" (or Ted Williams Model 300) is a classic, semi-automatic shotgun manufactured by Winchester for Sears, Roebuck & Co. It is a rebranded, high-spec version of the popular Winchester Model 1400. Key Technical Specifications Action: Gas-operated semi-automatic. Gauges: Most commonly found in 12-gauge and 20-gauge variants. Chamber: Optimized for standard 2 3/4" shells. Barrel Length: Standard configuration features a 28-inch barrel. Sights: Built with a traditional brass or gold bead front sight on a low-profile ventilated rib.Design & Visual Features Materials: Constructed from traditional blued steel and premium checkered hardwood stocks. Choke System: Equipped with an innovative, factory-installed variable dial-a-choke system on the muzzle, allowing users to manually adjust the constriction (e.g., Modified, Full, Cylinder) without changing barrels. Aesthetic: Known for its signature "Ted Williams" branding engraved or stamped onto the receiver, signaling Sears' premier line of outdoor sporting goods. As is in photos shown