S&W K Frame Model 19-4 Pinned Barrel 4" Old Style, .357 Magnum - Part# 1921A

Smith & Wesson K Frame Model 19-4 Pinned Barrel — 4" Old Style

A hard-to-find original Smith & Wesson pinned barrel for the iconic Model 19 Combat Magnum. This used OEM barrel is the correct old-style pinned configuration for pre-Model 19-4 and 19-4 revolvers — an essential component for restoration, repair, or period-correct builds.

• Part Number: 1921A
• Length: 4"
• Style: Old Style, Pinned
• Finish: Blue Steel
• Condition: Used, original S&W part
• Compatible Frame: K Frame
• Compatible Model: Model 19-4
• Caliber: .357 Magnum / .38 Special

The pinned barrel is a hallmark of classic S&W craftsmanship and is no longer produced in this configuration. Fitting a replacement barrel requires headspacing and timing by a qualified gunsmith — professional installation is strongly recommended.

Note: Photos available upon request. Contact us with any questions about fit or compatibility before ordering.