The EAA Corp MC312 is a gas-operated, semi-automatic shotgun chambered in 12 gauge with a 3.5-inch chamber, making it equally capable on the range, in the field, or at the clay course. Built on a proven inertia-driven platform with a black synthetic stock and 28-inch barrel, it delivers smooth cycling across a wide range of loads without the fuss. The MC312 is designed for shooters who want serious performance without a serious price tag.
Key Specifications
- The action is semi-automatic, engineered for fast, reliable follow-up shots.
- Chambered in 12 gauge with a 3.5-inch chamber, accepting 2¾”, 3″, and 3½” shells.
- The barrel measures 28 inches in length with a black finish.
- Overall length comes in at 37.4 inches for a balanced, field-ready profile.
- Capacity is 5+1 rounds, giving you plenty of shots when it counts.
- A fiber optic front sight provides fast, accurate target acquisition in varying light conditions.
- The safety system uses a transfer bar mechanism for dependable drop-safe operation.
- The stock and furniture are finished in black synthetic for durability in harsh conditions.
- Shipping weight is approximately 9.35 lbs.
Whether you’re breaking clays, hunting waterfowl, or stocking a versatile field gun, the MC312 punches well above its class. Its 3.5-inch chamber versatility, fiber optic sight, and rugged synthetic build make it a go-to choice for shooters who demand reliability without compromise. Add one to your collection and find out why EAA’s MC312 has earned a loyal following among practical shotgunners.






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