Warne Magazine Extension for S&W M&P 9/40 Aluminum Black +3 9mm +4 .40 S&W 3306

Upgrade your factory Smith & Wesson M&P 9/40 magazines with the Warne Magazine Extension (3306), engineered for improved handling and added capacity. Its ergonomic shape helps with positive magazine insertion, while integrated finger grooves provide a secure grip so you can strip the magazine from the handgun if needed. Precision-machined aluminum construction and a hardcoat anodized black finish deliver long-lasting abrasion and corrosion resistance for demanding range and duty use. Specs: Brand Warne; Product Type Magazine extension / extended base pad; Manufacturer Part Number 3306; UPC 656813108084; Color/Finish: Black (hardcoat anodized); Capacity Increase: +3 (9mm Luger), +4 (.40 S&W); Compatibility: factory S&W M&P / M&P M2.0 9mm and .40 S&W mags; Material: 6061-T6 aluminum (billet); Country of Manufacture: USA.