Description
Turkey guns tend to fall into two camps: bare-bones pump guns you have to build up yourself, or optics-ready semi-autos that cost more than your vest, calls, and decoys combined. The Girsan MC312 Gobbler splits the difference nicely. It ships with a reflex-style red dot already mounted, five choke tubes in the box, and a 3.5 inch chamber that will handle the heaviest turkey loads you care to feed it. The inertia-driven action is the same setup that made Benelli famous, and it runs clean, cycles fast, and shrugs off weather and neglect better than most gas guns.
Why the MC312 Gobbler Points So Well
The 24 inch vent rib barrel keeps the whole package quick to shoulder and easy to swing in a blind or against a tree. Girsan machined the Picatinny rail directly into the aluminum receiver rather than screwing one on, so the included red dot sits low and stays put. That low mount matters more than people realize. Your cheek stays on the stock, the dot shows up right where your eye lands, and there is no craning your neck to find the sight when a longbeard hangs up at 40 yards. A fiber optic front sight and mid-rib brass bead back everything up if you ever pull the optic.
Built to Run Hard
The MC312 platform has a reputation for eating whatever you load, and it will cycle 2.75, 3, and 3.5 inch shells without complaint, even mixed in the same tube. The bronze Cerakote metalwork and camo synthetic furniture hold up to rain, mud, and being dragged through briars, and the pistol grip stock gives you solid control when you are holding steady on a bird that will not commit. The enlarged loading port and controls are easy to work with gloved hands on cold mornings.
A Complete Turkey Setup in One Box
With five interchangeable chokes covering everything from cylinder to full, a magazine plug for migratory bird rules of thumb, and that factory red dot, the Gobbler covers spring turkey duty and pulls double shifts on waterfowl or predators without buying a single accessory first.
Key Specifications
- Manufacturer Part Number: 390160
- UPC: 741566903809
- Gauge: 12 Gauge
- Action: Inertia-Driven Semi-Auto
- Chamber: 3.5" (accepts 2.75", 3", and 3.5" shells)
- Barrel Length: 24" Vent Rib
- Capacity: 5+1
- Receiver: Aluminum Alloy with Integral Picatinny Rail
- Metal Finish: Bronze Cerakote
- Stock: Camo Synthetic with Pistol Grip
- Sights: Fiber Optic Front, Mid-Rib Brass Bead, Included Red Dot
- Safety: Crossbolt
- Overall Length: 50"
- Weight: Approx. 7.35 lbs
- Chokes Included: 5 (C, IC, M, IM, F)
What’s Included
- Girsan MC312 Gobbler 12GA semi-auto shotgun
- Reflex-style red dot sight (factory installed)
- 5 interchangeable choke tubes (Cylinder, Improved Cylinder, Modified, Improved Modified, Full)
- Magazine plug
- Magazine extension ring
Frequently Asked Questions
Does the Girsan MC312 Gobbler come with the red dot already mounted?
Yes, the reflex-style red dot comes installed from the factory on the Picatinny rail that is machined directly into the receiver. Because the rail is integral rather than bolted on, the optic sits low and holds zero well. You still get a fiber optic front sight and mid-rib bead if you ever want to run it without the dot.
Will the MC312 Gobbler cycle light target loads or does it need heavy shells?
The inertia-driven action is known for being remarkably unpicky. It will cycle 2.75 inch target loads, 3 inch field loads, and 3.5 inch magnums, even mixed together in the same magazine tube. That said, like most inertia guns, it appreciates a firm shoulder mount to cycle the lightest loads reliably.
What choke tubes does the Girsan MC312 use?
It ships with five interchangeable chokes covering Cylinder through Full, and the barrel uses common choke tube threads, so aftermarket options are easy to find. Many hunters add a dedicated extended turkey choke for tighter patterns with TSS or heavy lead loads. The common threading makes that a simple swap.
Is this just a turkey gun, or can I use it for waterfowl too?
It is set up as a turkey gun with the pistol grip stock, red dot, and 24 inch barrel, but the 3.5 inch chamber, five included chokes, and included magazine plug make it a capable duck and goose gun as well. The shorter barrel also handles nicely in a blind, and plenty of folks run it for predators and hogs in the off-season.




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