Smith & Wesson Cylinder Stop Spring
Factory original cylinder stop spring (also known as cylinder bolt spring) for Smith & Wesson K, L, and N Frame revolvers.
- Part Number: 070550000
- Compatibility: K, L, N Frame all models (fits 30+ models including 10, 19, 27, 586, 625, 648)
- Condition: Factory new OEM part
- Function: Provides tension for cylinder stop/bolt
- Material: Spring steel
Critical component for reliable cylinder timing and lockup. This spring ensures the cylinder stop engages properly with the cylinder notches, preventing cylinder rotation when locked. Replace worn springs to restore crisp cylinder lockup and eliminate timing issues.