Gun Collectors Dream Auction #83 May 2nd & 3rd TWO DAYS - NO RESERVES - 1200 LOTS!

Standard Manufacturing Co. DP-12 Double Barrel Pump Action Bullpup Shotgun 12 Gauge with 18.88 Inch Barrel

This auction ended on May 2, 2026.

Start price: $10

Estimated price: $800 - $1,200

Buyer's Premium: 12%

Sold for: $575

Description

This Standard Manufacturing Co. LLC model DP-12 is a double-barrel pump-action bullpup shotgun chambered for 12-gauge 2 3/4-inch or 3-inch shells. The firearm is equipped with twin 18.88-inch barrels and features a high-capacity magazine system. The exterior is finished in a durable matte black across the metal and polymer components. The bullpup-style stock is integrated with the frame and includes a textured pistol grip, a vertical polymer foregrip, and a rubber recoil pad embossed with the DP-12 logo. A full-length Picatinny rail is mounted on the top of the receiver for optics and accessories. Key markings include the model designation DP-12 and the manufacturer Standard Mfg. Co. LLC, New Britain, Conn. U.S.A. on the right side of the frame, along with US Patent 9,115,954. The left side is marked with the gauge information and the serial number DP42638. The top of the receiver also bears the maker and model information. Included with the shotgun is the original factory box with a matching serial number, the owner’s manual, a red polymer safety block, a choke multi-tool, and a packaged cable lock. Note – All firearms require a federal 4473 background check.


Condition report:

The shotgun is in very good to excellent overall condition, showing only minor handling marks consistent with light use. The matte black finish is well-preserved with no significant scratches or wear. The polymer furniture is excellent with crisp texturing on the grips. While we have not function-tested this firearm, the pump action appears to operate smoothly. The bores are not clearly visible but the external condition suggests they are well-maintained.