High Standard Model Ten Series B 12 Gauge Bullpup Gas-Operated Semi-Auto Police Shotgun, 18 Inch Barrel, 4+1
The High Standard Model Ten Series B is a compact, 1970s-era bullpup 12 gauge built in Hamden, Connecticut. It features a gas-operated action, 18 inch cylinder-bore barrel, and a distinctive polymer clamshell housing that shortens overall length to approximately 26–27 inches. Marked "MODEL TEN — SERIES B — POLICE SHOTGUN," it includes a top aluminum bar/handle with light mount base and a flip-up front sight paired with an integral rear notch.
Condition
Overall Condition: Good condition, showing some signs of prior use and handling.
Bore Overall Condition: Good - Clean, well-maintained, minor wear marks.
Specific Condition Notes: The firearm is in solid functional shape. Exterior surfaces show scratches and blemishes. Areas of rust and pitting are present.
What’s Included
- High Standard Model Ten Series B 12 Gauge semi-automatic shotgun
This Model Ten Series B uses a gas-operated, semi-automatic system and a fixed tube magazine with a 4+1 capacity. It is designed for high-brass or magnum 2 3/4 inch shells, with bottom loading and right-side ejection. A right-side charging handle and cross-bolt safety round out the controls.
The bullpup polymer clamshell housing keeps the gun highly compact while retaining an 18 inch silver-finished barrel with a cylinder bore. The approximate overall length is 26–27 inches, and the length of pull is 14.5 inches. The stock incorporates an integral pistol grip, a rotating shoulder-cup buttplate, and a rear sling loop.
Sighting is straightforward, with a flip-up front blade and an integral rear notch on the top assembly. An aluminum top bar/handle with a light mount base and knurled thumbscrew sits above the barrel, as found on Series B examples. The overall finish is black on the polymer housing, complementing the silver-finished barrel.
Receiver markings read "MODEL TEN — SERIES B — POLICE SHOTGUN — THE HIGH STANDARD MFG. CORP. – HAMDEN, CONN. U.S.A." along with the warning "CAUTION — DO NOT SHOOT FROM LEFT SHOULDER." The Hamden address and features place production in the mid-1970s, with this example falling within the 1975–1977 period.