Warne MESW54BLK Magazine Extension for S&W M&P +5 9mm / +4 .40

The Warne MESW54BLK is a magazine extension designed for S&W M&P series magazines. Constructed from 6061-T6 aluminum with a hardcoat anodized black finish, the extension increases usable capacity while providing an ergonomic grip surface. It features contoured shaping and finger grooves to aid magazine insertion and controlled removal.

Key Specifications

• Made from 6061-T6 Aluminum for its core construction.
• Finished in Hardcoat Anodized Black for surface durability.
• Compatible with S&W M&P series magazines.
• Capacity increase: +5 rounds for 9mm Luger and +4 rounds for .40 S&W.
• Model listed as Magazine Extension (MESW54BLK).
• Additional construction note: 6061 T6 Aluminum billet.
• Color is specified as Black.
• Listed weight: 0.12.
• Listed dimensions: Height 1, Length 7.5, and Width 1.5.

This extension delivers a straightforward capacity increase and improved magazine handling for S&W M&P magazines, finished for daily use and range work. It's a practical upgrade for users who want additional rounds and a more positive grip surface without altering magazine function.