Wolff Complete Spring Service Pak for S&W 4566/4576/4586/1076/1086 - Type-1 | Part 69341 5.56mm The thumb piece (also called

The thumb piece (also called the cylinder release latch) is the component you press to unlock and swing out the cylinder

and hard-to-find components for your firearms

40 S&W M&P variants

Brand: Smith & Wesson

Wolff Complete Spring Service Pak for S&W 4566/4576/4586/1076/1086 - Type-1 | Part 69341 5.56mm The thumb piece (also calledWolff Complete Spring Service Pak for S&W 3rd Gen Pistols Type 1 Part Number: 69341 Comprehensive Wolff spring service pak designed for Smith & Wesson 3rd Generation semi automatic pistols. This Type 1 service pak contains all essential springs needed to restore your pistol to factory fresh performance, replacing weakened or broken springs. What's Included: This complete service pak contains 16 precision engineered Wolff springs: Recoil spring