Winchester Model 1400 Mk II 20 Gauge Semi-Auto Shotgun, 28 in Vent Rib, WinChoke, 2 3/4 in Chamber
The Winchester Model 1400 Mk II in 20 gauge pairs a gas-operated, rotating-bolt action with a 28-inch ventilated-rib barrel and the factory WinChoke screw-in choke system. Built in New Haven, Connecticut, this Mk II variant features an aluminum-alloy receiver finished in black and a walnut stock with classic Winchester details. The barrel is roll-marked with Winchester Proof Steel and New Haven, U.S.A. markings, underscoring its American manufacture.
Condition
Overall Condition: Poor condition.
Bore Condition: Good - Clean, well-maintained, minor wear marks.
Specific Condition Notes: There are scratches and blemishes on the metal and wood. The bore is clean and shiny. The bolt does not lock to the rear, and the action binds when actuating.
What’s Included
- Winchester Model 1400 Mk II 20 Gauge semi-automatic shotgun
- Installed WinChoke flush, knurled-edge choke tube
This Mk II series Model 1400 uses a gas-operated system with a rotating bolt and twin action bars. It is chambered for 2 3/4-inch shells and has a 4-round capacity, offering the core features associated with this Winchester semi-auto platform.
The 28-inch barrel is Winchester Proof Steel with a ventilated rib and a single front bead. It is factory-marked "WINCHESTER – MODEL 1400 – 20 GA 2 3/4 CHAM. – MADE IN NEW HAVEN, CONN. U.S.A. – WINCHESTER PROOF STEEL – WINCHOKE," and it employs the WinChoke screw-in choke system with a flush, knurled-edge tube.
The receiver is an aluminum-alloy construction with a black finish and is roll-marked "MODEL 1400 MK II." Controls include a right-side bolt handle and a cross-bolt safety with a red indicator ring.
The walnut stock and forend feature machine-cut checkering, a pistol-grip profile, a fluted comb, and a factory ventilated recoil pad with a white-line spacer. Length of pull is 14.0 inches, providing a traditional field fit.
Manufactured in New Haven, Connecticut, this shotgun reflects Winchester’s Mk II updates and U.S. production details that many buyers look for in a 20 gauge 1400.