Wolff +5% Extra Power Magazine Spring for S&W 39/3900 Series 9mm | Part 73061 Right Hand This thumb piece fits all

This thumb piece fits all Smith & Wesson J Frame revolvers with the new style cylinder latch

Smith & Wesson J Frame Bolt Spring & Plunger — Used | Part # 3645AB

000 rounds

Compatible Frame Sizes

Wolff +5% Extra Power Magazine Spring for S&W 39/3900 Series 9mm | Part 73061 Right Hand This thumb piece fits allWolff +5% Extra Power Magazine Spring for S&W 39 3900 Series Part Number: 73061 Premium Wolff +5% extra power magazine spring designed for Smith & Wesson 39 and 3900 Series 9mm pistols. This enhanced spring provides improved feeding reliability and consistent performance for these classic 3rd Generation semi automatic pistols. Key Features: +5% Extra Power: Enhanced spring tension for reliable feeding and reduced malfunctions Wide Compatibility: Fits