Winchester Super-X Model 1 12 Gauge Semi-Auto, 24 in Vent Rib, Fixed Modified, 8+1, 1975, Blued/Walnut with Williams Aperture and Extended Magazine Tube
Made in New Haven in 1975, this Winchester Super-X Model 1 showcases the model's extensive machined-steel construction and premium build of its era. It features a 24-inch ventilated-rib barrel marked 'Winchester Proof Steel' and a blued steel receiver paired with a checkered walnut stock. This example is outfitted with a Williams receiver-mounted aperture rear sight and an aftermarket extended magazine tube, delivering a configuration that stands out for both capacity and sighting.
Condition
Overall Condition: Very good condition, showing only light, superficial signs of prior handling or use.
Bore Overall Condition: Excellent - Clean, mirror finish, no signs of wear.
Specific Condition Notes: This firearm is in great shape overall. Minor, superficial scratches and small blemishes are present. The bore is clean and shiny.
What’s Included
- Winchester Super-X Model 1 12 gauge semi-automatic shotgun (1975)
- Williams receiver-mounted aperture rear sight (installed)
- Aftermarket extended magazine tube with two barrel/mag clamps (installed)
- Pachmayr White Line recoil pad (installed)
Introduced in 1974 with regular-catalog production through 1981, the Super-X Model 1 is known for its robust, machined-steel design. This 1975 example reflects that heritage, with a steel receiver and barrel finished in blue and the barrel roll-marked 'Winchester Proof Steel.'
The shotgun is gas-operated and chambered for 2 3/4-inch shells. It wears a 24-inch steel barrel with a ventilated rib and a fixed Modified choke, offering a straightforward, durable setup. The cross-bolt safety is positioned for familiar operation.
Custom features include a Williams receiver-mounted aperture rear sight paired with a front bead for a defined sight picture, and an aftermarket extended magazine tube secured by two barrel/mag clamps. The extension brings total capacity to 8+1 while maintaining a solid, reinforced fit.
The stock is walnut with checkering and a pistol-grip profile, complemented by a Pachmayr White Line recoil pad. Length of pull measures 13.5 inches, providing a practical, field-ready fit in this classic blued-and-walnut configuration.
Made in New Haven, Connecticut, U.S.A., this Super-X Model 1 combines period-correct construction with useful upgrades that enhance capacity and sighting while preserving its core Winchester character.