Wolff +10% Extra Power Magazine Spring for Smith & Wesson M&P 9mm/.40/.357/10mm Recoil Guide Rod Assembly Designed for 6-shot capacity with

Designed for 6-shot capacity with barrel lengths of 4" or longer

Installation should be performed carefully to ensure proper alignment and function

This factory original thumb piece and nut assembly is specifically engineered for:

3007342 Smith & Wesson Pistol M&P 9mm M2

Wolff +10% Extra Power Magazine Spring for Smith & Wesson M&P 9mm/.40/.357/10mm Recoil Guide Rod Assembly Designed for 6-shot capacity withWolff Extra Power Magazine Spring for S&W M&P Pistols Part Number: 79011 Upgrade your Smith & Wesson M&P pistol's magazine performance with this premium Wolff +10% extra power magazine spring. Engineered by Wolff GunspringMakers, the industry leader in firearm springs, this enhanced spring delivers superior reliability and consistent feeding. Key Features: +10% Extra Power: Increased spring tension ensures reliable feeding and reduces malfunctions