Ruger Single-Ten .22 LR Stainless Revolver, 5.5 in Barrel, Unfluted 10-Shot Cylinder, Fiber-Optic Sights — Model 08100 (KNR-5-10)
This Ruger Single-Ten stands out with its satin stainless construction, unfluted 10-shot cylinder, and a 5.5 inch barrel set up with a fiber-optic sight system. Cataloged as KNR-5-10 and marked as Model 08100, it matches the factory configuration for this stainless .22 LR variant. The 810- serial prefix denotes placement in the Single-Ten series block.
Condition
Overall Condition: Very good condition, showing only light, superficial signs of prior handling or use.
Bore Overall Condition: Excellent - Clean, mirror finish, no signs of wear.
Bore Rifling: Excellent Rifling - Sharp lands and grooves.
Specific Condition Notes: There are minimal markings from previous handling with light signs of use. The right side of the frame near the grip shows some scuffing and scratches.
What’s Included
- Ruger instruction manual for New Model Single-Six, Single-Ten & Hunter single-action revolvers
- Ruger factory gray hard plastic case with end label (Model 08100 / Catalog KNR-5-10)
The Single-Ten configuration features an unfluted 10-shot cylinder chambered in .22 LR, offering extended capacity in a compact rimfire single-action package. The cylinder, frame, receiver, and barrel are all stainless steel with a uniform satin finish.
The 5.5 inch barrel includes a full-length under-barrel ejector housing. Sighting is fast and clear with a green fiber-optic front and an adjustable rear sight featuring two green dots.
Grip panels are smooth reddish-brown wood set with Ruger silver-eagle medallions, providing a classic appearance and solid purchase. The revolver operates in single-action only, consistent with the Single-Ten design.
Markings and identifiers align with factory data: right-side rollmarks include "Ruger," "Model Single-Ten," and ".22 Cal." Catalog KNR-5-10 and model 08100 correspond to this stainless 5.5 inch configuration, and UPC 736676081004 tracks to the same package ID. The 810- serial prefix is appropriate for the Single-Ten series.




