The Military Arms MAC 2 3-Gun in 12 gauge (brand part no. 21000156) is a semi-automatic competition shotgun built around a 21-inch barrel and an inertia operating system for reliable cycling across a variety of loads. SDS Imports finishes the MAC 2 3-Gun in black with synthetic furniture, oversized controls, and a fixed fiber optic front sight. Among semi-automatic shotguns in the semi-auto shotguns category, the MAC 2 3-Gun favors competitive shooters who want a balanced, easy-maintenance platform for 3-gun matches.

Key Specifications

• Chambered in 12 gauge.
• Operates on an inertia operating system.
• Features a 21-inch barrel.
• Feeds from a magazine with a 3+1 capacity.
• Ships with 3 chokes included.
• Equipped with a crossbolt safety.
• Fitted with a fixed fiber optic front sight.
• Overall length is approximately 41.65 inches.
• Ships at approximately 8.9 pounds.
• Finished in black with synthetic furniture and oversized controls.

Frequently Asked Questions

What operating system does this shotgun use? An inertia operating system built for reliable cycling and easy maintenance.

What is this shotgun designed for? Competitive 3-gun shooting, balanced for fast handling.

Buy the Military Arms MAC 2 3-Gun 12 Gauge, 21-Inch

A balanced, easy-maintenance 12 gauge built for competitive 3-gun matches is exactly what the MAC 2 3-Gun delivers. As soon as it’s ready to ship, order it from our Lubbock, Texas gun shop for fast, insured shipping to your FFL.