Wolff +10% Extra Power Magazine Spring for Smith & Wesson M&P 9mm/.40/.357/10mm mp-9-20-sub K875 Smith & Wesson Used

K875 Smith & Wesson Used K Frame Model 13 Thumb Piece & Nut

Questions about compatibility or need additional parts

Genuine S&W Part: Factory OEM component (Part #440990000)

Genuine OEM Quality: Factory Smith & Wesson part manufactured to exact specifications

Wolff +10% Extra Power Magazine Spring for Smith & Wesson M&P 9mm/.40/.357/10mm mp-9-20-sub K875 Smith & Wesson UsedWolff 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