Wolff XP Magazine Spring +10% for S&W 4013/4053 .40 S&W - 76771

Wolff Extra Power Magazine Spring for Smith & Wesson .40 S&W pistols - +10% power increase for reliable feeding.

Part Number: 76771
Quantity: 1 spring

Compatibility

For Use in Smith & Wesson .40 S&W Models:

• 4013
• 4014
• 4053
• 4054

Important Note: Not for use in 4013 TSW 9-round double stack magazines. See S&W 6900 series for 4013 TSW.

Premium USA-made magazine spring from Wolff GunSprings, the industry standard for reliability and performance.