Ruger GP100 .357 Magnum 6-inch Stainless (KGP-161), Single-Action Only, Adjustable Sights, 2005
This 2005 Ruger GP100 in .357 Magnum is a full-size, stainless steel revolver configured for single-action only. It features a 6-inch heavy barrel with a full-length underlug and serrated top rib, a one-piece frame, and Ruger’s triple-locking cylinder system. It is being sold as is.
Condition
Overall Condition: Poor condition.
Bore Overall Condition: Good - Clean, well-maintained, minor wear marks.
Bore Fouling: Mild Fouling - Light buildup of fouling or dirt.
Bore Rifling: Good Rifling - Intact, well-defined lands and grooves.
Specific Condition Notes: Selling as is. A gunsmith evaluation is recommended. It appears the previous owner modified the revolver to fire in single action only. Dents and scratches are present throughout the frame.
What’s Included
- Ruger GP100 .357 Magnum revolver
Built on Ruger’s one-piece stainless steel frame without a sideplate, this GP100 uses the brand’s robust triple-locking cylinder system that secures the cylinder at the rear, crane, and front for consistent alignment. The satin stainless finish extends across the frame and cylinder for uniform appearance and corrosion resistance.
The 6-inch heavy barrel features a full-length underlug, a serrated top rib, and an integral ejector-rod shroud for added stability. Sighting is handled by a fully adjustable rear paired with a plunger-retained, interchangeable ramp front sight, allowing precise zeroing with a range of loads.
This example is configured as single-action only. It is being sold as is, and based on the notes provided, a prior owner appears to have modified the action; a gunsmith evaluation is recommended. The revolver retains Ruger’s transfer-bar safety system and a checkered hammer spur for positive cocking.
Ergonomics and control are supported by a Hogue rubber finger-groove grip. Chambered in .357 Magnum with a 6-round capacity, this KGP-161 variant was manufactured in the United States in 2005 and represents the durable, full-size GP100 pattern in satin stainless steel.