Enhance your firearm’s performance with the Warne Magazine Extension for S&W M&P 9/40. This magazine extension increases your capacity by +3/2 rounds, allowing for more firepower when it counts. Crafted by Warne, a trusted name in gun accessories, this extension features an ergonomic design for better insertion and includes finger grooves for easy magazine stripping. Perfect for competitive shooting or personal defense, this black magazine extension is a must-have for S&W M&P 9/40 owners looking to maximize their magazine capacity.








