Wolff XP Magazine Spring +5% - S&W 4006/4046 | Part 74761

Wolff XP Magazine Spring +5% - S&W 6904/4006Wolff extra power magazine spring (Part #74761) with +5% increased tension for Smith & Wesson 9mm and .40 S&W pistol models. Premium USA-made replacement for enhanced reliability.Compatible Models: 9mm Models: 469, 669, 6904, 6906, 6924, 6926, 6944, 6946 .40 S&W Models: 411, 4003, 4004, 4006, 4013 TSW (9-round), 4026, 4043, 4044, 4046 Product Features: Extra power design with +5% increased tension Premium music wire construction Made in USA by Wolff Gunspringmakers Enhanced feeding reliability Reduces feeding malfunctions Direct replacement for factory springs Ideal for duty and defensive use Why Choose Wolff XP Springs:Wolff Precision Gun Springs has been the industry standard for over 75 years. This extra power spring provides enhanced feeding reliability with +5% increased tension, perfect for ensuring reliable operation with all ammunition types and worn magazines.