The Ermox XDefense MX in 12 gauge (brand part no. XDEFENSEMX) is a semi-automatic tactical shotgun built around an 18.5-inch barrel with a 3-inch chamber, giving defensive shooters a new-design receiver in a corrosion-resistant marine finish. Adams Arms builds the XDefense MX with a pistol-grip skeleton stock and ships a five-piece choke set with wrench. Among semi-auto shotguns in the semi-auto shotguns category, the XDefense MX favors shooters near salt water who want corrosion resistance alongside a complete choke set.

Key Specifications

• Chambered in 12 gauge with a 3-inch chamber.
• Features an 18.5-inch barrel.
• Ships with a 5-piece choke set and wrench.
• Uses a manual safety.
• Fitted with a pistol grip skeleton stock.
• Receiver finished with a marine corrosion-resistant coating.
• Operates as a semi-automatic shotgun.

Frequently Asked Questions

Why choose the marine finish? It’s built for extra corrosion resistance in wet or salt-air environments.

How many chokes are included? A 5-piece choke set with a choke wrench.

Buy the Adams Arms Ermox XDefense MX

Corrosion resistance alongside a complete choke set is exactly what the XDefense MX delivers. Order it from our Lubbock, Texas gun shop for fast, insured shipping to your FFL.