The Adams Arms ERMOX XDEFENSE PX is a 12 gauge semi-automatic shotgun configured with an 18.5-inch barrel. It combines a compact barrel length, a pistol-grip skeleton stock, and accessory-ready Picatinny rails for practical field and range use. The design includes a ported barrel, extended controls, and an included choke set to support a range of loading and patterning options.
Key Specifications
- The gauge is 12.
- The barrel length is 18.5 inches.
- The action type is Semi-Automatic.
- The chamber is listed as 3.
- The magazine capacity is 5+1.
- Included choke is a 5-piece set with wrench.
- The safety is a manual safety.
- The stock is a pistol grip skeleton stock with a rubber butt plate.
- The receiver is a new receiver design, black.
- The receiver and barrel feature Picatinny rails for mounting optics and accessories.
The ERMOX XDEFENSE PX balances compact handling with a range of practical features—porting and extended controls for smoother operation, a five-choke kit for load flexibility, and accessory rails to suit optics and lights. Its configuration makes it suitable for training and versatile range use where a compact, feature-rich 12 gauge is preferred.
Product information is supplied by the manufacturer and/or distributor and may be automatically formatted or enhanced using AI for clarity and consistency. While we strive for accuracy, specifications, features, and included items may change without notice. Always verify details using the manufacturer’s official documentation and the information shown on this product page before purchase or use.




