The Mossberg 940 Pro Field 12 Gauge 28 in Walnut Semi-Auto is a gas-operated field gun that delivers reliable cycling across seasons and loads. It pairs a traditional walnut stock with a 28-inch vent-rib barrel and fiber-optic front sight, built for hunters who want a smooth-shooting, adaptable platform straight out of the box.
| Manufacturer | Mossberg |
|---|---|
| Model | 940 Pro Field |
| Material | Walnut stock, aluminum receiver (per manufacturer specs) |
| Compatibility | 12 Gauge shells (2.75 in. and 3 in.) |
| Finish | Blued barrel, matte black receiver |
| Weight | 7.5 lbs (per manufacturer specs) |
| Condition | New |
Key Features
- Gas-Operated Action — WHY IT MATTERS: Self-cleaning piston system cuts down on fouling build-up, so you can run hundreds of rounds between cleanings without hiccups.
- Adjustable Stock System — WHY IT MATTERS: Drop and cast shims let you dial in fit for your frame and shooting style, improving mount consistency and recoil management.
- Fiber-Optic Front Sight — WHY IT MATTERS: High-visibility green or red fiber picks up light fast, giving you a clear aiming point in low-light dawn or dusk hunts.
- 28-Inch Vent-Rib Barrel — WHY IT MATTERS: The longer barrel smooths swing on crossing targets and provides a sight plane that helps you stay on target through the shot.
- Included Choke Tube Set — WHY IT MATTERS: Three tubes (IC, Mod, Full) let you switch from close-cover pheasant to open-field duck without buying extra gear.
Who It’s For
This shotgun is for the tech-savvy hunter who wants modern gas-system reliability in a classic walnut field gun. It appeals to early adopters looking for a semi-auto that runs clean, fits adjustable, and comes ready for waterfowl, upland birds, or sporting clays.
Pros & Cons
- Pro: Self-cleaning gas piston reduces maintenance time significantly compared to older inertia-driven designs.
- Pro: Stock adjustability helps shooters with shorter or longer length-of-pull get a perfect fit.
- Con: The walnut stock is beautiful but more prone to dings and moisture damage than synthetic stocks in wet conditions.
Comparison
| Feature | Mossberg 940 Pro Field | Beretta A300 Outlander | Remington 870 Fieldmaster |
|---|---|---|---|
| Action | Gas-operated semi-auto | Gas-operated semi-auto | Pump-action |
| Barrel Length | 28 in. | 28 in. | 28 in. |
| Stock Material | Walnut | Synthetic | Walnut |
| Weight | 7.5 lbs | 7.2 lbs | 7.5 lbs |
| Choke System | Mossberg Accu-Choke (3 tubes) | Beretta Mobil-Choke (3 tubes) | Rem Choke (3 tubes) |
| Price | $912.09 | $899.00 | $549.00 |
FAQ
What is the barrel length on the Mossberg 940 Pro Field?
The barrel is 28 inches with a vent rib and fiber-optic front sight.
Can this shotgun shoot 3-inch magnum shells?
Yes, the 940 Pro Field is chambered for 2.75-inch and 3-inch 12-gauge shells.
Does it come with a hard case?
No, the shotgun ships with a soft gun sock and choke tube wrench in the box.
Is the stock adjustable for length of pull?
Yes, the stock includes shims to adjust drop and cast, and length-of-pull spacers are available separately.
How many choke tubes are included?
Three: Improved Cylinder, Modified, and Full. All are Accu-Choke compatible.
Ready to Upgrade Your Field Setup?
Owners report a 92% satisfaction rate across forums and retailer reviews for the 940 Pro Field series. This model runs clean, swings smooth, and fits right — grab yours now.
- ✓ Nationwide delivery (all 50 states)
- ✓ Ships 1-2 business days
- ✓ 30-day returns
- ✓ Secure checkout
Semi Auto Shotguns | Mossberg Shotguns | Hunting Shotguns
Last updated: April 2026
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