Part# 19120A Smith & Wesson Revolver K Pre-Model 19 (4 Screw) Combat Magnum
Hammer Block .357 Magnum
Serial# 421519
Old Style Used Part
This is a used part from the Smith and Wesson K Frame Pre-Model 19 model, known as the Combat Magnum. The blue steel cylinder stop screw is an old style component, designed for use with .357 Magnum rounds.
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