Ruger GP100 KGP-141 .357 Magnum, 4 inch, Stainless, DA/SA Revolver (1997)
This 1997 Ruger GP100 is the stainless KGP-141 configuration with a 4 inch heavy, full-underlug barrel and a six-shot fluted cylinder. It features a one-piece stainless frame without a sideplate, a triple-locking cylinder, and fully adjustable sights with a quick-change, spring-plunger-retained front blade. It is a United States-made .357 Magnum with a brushed stainless finish and the classic rubber grip with wood insert panels.
Condition
Overall Condition: Poor condition.
Bore Condition: Poor - Noticeable dirt, stains, significant corrosion or damage.
Bore Rifling: Poor Rifling - Rifling heavily worn or filled with fouling or debris.
Specific Condition Notes: This revolver will require parts replacement or refreshing. Professional gunsmithing and restorative work will be required to return it to operating condition. It may also be suitable as a parts donor for a restoration project.
What’s Included
- Ruger GP100 .357 Magnum revolver (KGP-141), 4 inch
The KGP-141 designation identifies this as a stainless GP100 with a 4 inch heavy, full-underlug barrel. The brushed stainless frame and cylinder pair with a six-shot fluted cylinder for the classic GP100 layout in .357 Magnum.
It is a double-action/single-action revolver with an external hammer and Ruger’s transfer bar safety system. The triple-locking cylinder secures at the rear, bottom of the frame, and crane for solid alignment, and the one-piece frame eliminates a sideplate.
Sighting equipment includes a fully adjustable rear sight and an interchangeable ramped front sight retained by a spring-loaded plunger, allowing quick front sight changes. The peg-style grip frame is fitted with Ruger’s one-piece rubber grip with wood insert panels.
Manufactured in 1997 in the United States, this GP100 represents the core stainless 4 inch configuration favored for its robust construction and straightforward serviceability. Catalog identification and manufacturer part number are KGP-141.

