Smith & Wesson K Frame Model 13 Grooved Trigger .265" Black .357 Magnum - Used OEM Part K873 N424 Proper cylinder timing is critical

Proper cylinder timing is critical for competitive accuracy

The mainspring (also called the hammer spring) provides the force that drives the hammer forward to strike the firing pin

or emergency preparedness

and modern variants like the 638 (stainless Airweight)

Smith & Wesson K Frame Model 13 Grooved Trigger .265" Black .357 Magnum - Used OEM Part K873 N424 Proper cylinder timing is criticalSmith & Wesson K Frame Model 13 Grooved Trigger . 265" Black Part Number: K873 Condition: Used Excellent Frame: K Frame Model: 13 Caliber: . 357 Magnum . 38 Special Trigger Width: . 265 inches Finish: Black Style: Grooved (Serrated) Weight: 4 oz Product Details Genuine Smith & Wesson factory grooved trigger for the K Frame Model 13 revolver. This . 265 inch wide trigger features a grooved (serrated) face for positive finger contact and control. Black