Compatible with Patriot and 4X4 long-action rifle models and featuring a durable steel body with a corrosion-resistant blued finish, the Mossberg® Patriot/4X4 Long-Action Magnum 3-Round Magazine offers superior durability and reliable feeding performance in harsh hunting and tactical environments, designed to deliver reliable protection against performance-inhibiting rust, lead, carbon, and other corrosive substances. Equipped with precision-machined feed lips and a steel locking lug for a snug, wobble-free fit, this 3-round magazine features a strong steel wire spring and low-friction steel follower for smooth feeding performance, while the impact-resistant polymer floor plate withstands bumps and abrasions for additional strength and durability.