The Lyman 1082236 Plus 2 Magazine Extension Fits Mossberg 590 Black Aluminum is a purpose-built upgrade that adds extra on-board capacity to your Mossberg 590 without adding unnecessary bulk. Machined from durable black aluminum, this Plus 2 extension threads onto the existing magazine tube to provide a clean, factory-like profile while delivering reliable feeding with 12 gauge shells.

This extension is ideal for shooters who want a bit more capacity for range sessions, training, or home protection while keeping their shotgun manageable and easy to handle. Its straightforward design makes installation simple for most Mossberg 590 owners, and the robust construction is built to stand up to regular use. Lyman’s long-standing reputation for practical, shooter-focused accessories is reflected in this well-executed magazine extension.

• Manufacturer: Lyman
• Model: Plus 2
• Capacity: +2 rounds
• Caliber / Gauge: 12 Gauge
• Compatible Models: Mossberg 590
• Material: Black aluminum