Tacstar Lyman Plus 5 Magazine Extension for Winchester SXP

This modular shotgun magazine extension increases capacity by five rounds and is machined from 6061 aluminum with a matte black anodized finish. The design features reversible threads and a recess for a magazine/barrel clamp to allow flexible installation. It ships with a long magazine spring that can be trimmed for fine tuning and a High Visibility Follower to aid reliable loading and inspection.

Key Specifications

• The extension adds +5 rounds over the standard factory magazine capacity when using 2 3/4" shells.
• Constructed from 6061 aluminum with a matte black anodized finish.
• Includes a magazine spring which can be cut to desired length and a High Visibility Follower.
• The tube is machined with reversible threads so orientation can be changed to relocate the recess.
• Features a recess cut to accept a magazine/barrel clamp (clamp not included).
• Manufacturer description lists compatibility with Winchester SXP, Remington 870, and Mossberg 590.
• Weight is listed as .65 (unit not specified in supplied data).
• The product model is listed as Plus 5.
• Material is listed as Aluminum.

Purpose-built for shooters who want a dependable capacity increase without adding unnecessary bulk, this extension offers straightforward, tunable performance and a durable, lightweight construction. Its modular design and adjustable spring let users personalize fit and function, making it suitable for field use, competition, or defensive configurations where additional magazine capacity and reliable feeding are priorities.