J. Stevens A&T Co Model 520 12 Gauge Pump-Action Shotgun, 30 in Barrel, Full Choke, 2 3/4 in Chamber (1909–1916)
This early J. Stevens A&T Co Model 520 is a John M. Browning–designed, hammerless takedown pump with the distinctive double‑hump receiver and right‑side external link. It features a 30 inch carbon steel barrel with a full choke and a 2 3/4 in chamber, a matted anti‑glare top, and classic bead front sight. Blued steel construction and walnut furniture with a STEVENS hard‑rubber buttplate complete this period example from the 1909–1916 era.
Condition
Overall Condition: Fair condition, showing extensive signs of prior use and handling.
Bore Condition: Good - Clean, well-maintained, minor wear marks.
Specific Condition Notes: Markings are present, and there is significant finish loss from previous handling and use. Please refer to the photos for a close look at surfaces and markings.
What’s Included
- J. Stevens A&T Co Model 520 12 Gauge pump-action shotgun
Designed by John M. Browning, the Model 520 is known for its hammerless takedown system, inertial slide-release, and robust tilting‑block lockup. The signature double‑hump receiver profile and external right‑side link give this shotgun its recognizable silhouette and mechanical character.
The 30 inch carbon steel barrel is configured with a full choke and a 2 3/4 in chamber. A matted, anti‑glare top on the barrel and receiver pairs with a bead front sight for a clean sighting plane. Capacity is listed as 2+1.
Construction is all steel with a blued finish. Furniture includes a walnut pistol‑grip buttstock and a checkered walnut fore‑end, capped by a STEVENS hard‑rubber buttplate. Length of pull measures 14.5 inches.
Period features include the right receiver rollmark reading "J. STEVENS ARMS & TOOL CO., CHICOPEE FALLS, MASS. U.S.A." The serial number location is on the underside trigger‑plate/tang. Made in the United States during the 1909–1916 era, this example highlights the early production configuration of the Model 520.