Smith & Wesson K/L/N/X/Z Frame Revolver Thumb Piece S.S Factory New Part 215710000 Firearm Maintenance This pack delivers professional trigger

This pack delivers professional trigger job results without expensive gunsmith work

This critical internal component rotates the cylinder during trigger pull and ensures proper timing and lockup

You should see "637" or a dash variant like "637-1"

Professional gunsmith installation recommended for proper fit and function

Timing and end-shake should be verified after installation

Smith & Wesson K/L/N/X/Z Frame Revolver Thumb Piece S.S Factory New Part 215710000 Firearm Maintenance This pack delivers professional triggerSmith & Wesson K L N X Z Frame Revolver Thumb Piece Stainless Steel Genuine factory new Smith & Wesson stainless steel thumb piece designed for K, L, N, X, Z, Frame revolvers. This OEM replacement part features a glass bead finish and ensures secure cylinder release operation. Specifications Frame: K, L, N, X and Z Frame Material: Stainless steel Finish: Glass bead Style: New style (fits all models) Condition: Factory new Part number: 215710000