Smith & Wesson Model 457D Hammer Assembly - Part# 457D4 .22 magnum Proper headspace and timing must Color:Lighter Brown third generation adjustment J612

Proper headspace and timing must be verified by a qualified gunsmith before the firearm is returned to service

Triggers are interchangeable across centerfire and rimfire K Frame models — not caliber-specific

This is a genuine used Smith & Wesson Side Plate with four (4) screws for the Pre-Model 37 Airweight J Frame revolver chambered in

This is the flat latch

OEM Part Number: 294050000

Smith & Wesson Model 457D Hammer Assembly Part# 457D4 .22 magnum Proper headspace and timing must Color:Lighter Brown third generation adjustment J612 Proper headspace and timing must be verified by a qualified gunsmith before the firearm is returned to service Triggers are interchangeable across centerfire and rimfire K Frame models — not caliber specific