Smith & Wesson L Frame Model 686 Mainspring .357 Magnum - Part# 6869 k19u Identifying Your Model Swing out

Identifying Your Model Swing out the cylinder and check behind the yoke on the frame for your model number

and SD series-specific knowledge

M5904M Smith & Wesson Model 5904 9MM Slide Stop Assembly Used Parts

👤 Who This Part Is For

Whether you're restoring a classic J Frame or upgrading your carry revolver

Smith & Wesson L Frame Model 686 Mainspring .357 Magnum - Part# 6869 k19u Identifying Your Model Swing outSmith & Wesson L Frame Model 686 Mainspring Part# 6869 . 357 Magnum Stainless Steel Old Style Used Part The mainspring (also called the hammer spring) is the powerplant of your S&W revolver's action it drives the hammer forward with enough force to reliably detonate primers in both single and double action fire. A fatigued or broken mainspring causes light strikes, misfires, or a heavy, inconsistent trigger pull. This is a genuine S&W factory old