The EAA Girsan MC312 in 12 gauge (brand part no. 390145) is an inertia-driven semi-automatic shotgun built around a 28-inch barrel with a black finish, tested by the manufacturer to 10,000 rounds without a parts replacement. European American Armory / EAA Corp equips the MC312 with a high-visibility front sight and a transfer bar safety, feeding from a magazine with a 5+1 capacity. Among semi-automatic shotguns in the semi-auto shotguns category, the MC312 favors shooters who want a dependable, every-day 12 gauge at an approachable price.

Key Specifications

• Chambered in 12 gauge.
• Accepts a 3.5-inch chamber length.
• Operates on an inertia-driven semi-automatic system.
• Features a 28-inch barrel.
• Finished in black.
• Feeds from a magazine with a 5+1 capacity.
• Equipped with a transfer bar safety.
• Fitted with a high-visibility front sight.
• Overall length is approximately 37.4 inches.
• Ships at approximately 9.35 pounds.

Frequently Asked Questions

How reliable is this shotgun rated to be? EAA ran the MC312 through a 5,000-round test with no cleaning and a 10,000-round endurance test with no parts replaced.

What chamber length does this shotgun accept? A 3.5-inch chamber, accommodating a wide range of 12 gauge loads.

Buy the EAA Girsan MC312 12 Gauge

A dependable, every-day 12 gauge at an approachable price is exactly what the MC312 delivers. As soon as it’s ready to ship, order it from our Lubbock, Texas gun shop for fast, insured shipping to your FFL.