Ruger New Model Single-Six Colorado Centennial 1876–1976 Commemorative, .22 LR/.22 WMR, 6.5" Blued, Roll-Engraved, 1976, Presentation Case
This Ruger New Model Single-Six is the officially authorized Colorado Centennial 1876–1976 commemorative, produced in 1976 in a limited run of approximately 15,000 sets. It features dual .22 LR and .22 WMR cylinders roll-engraved with Colorado-themed scenes by artist James Triggs, a special barrel legend, and a walnut presentation case. The 6.5-inch blued steel barrel, stainless grip frame, and commemorative markings make this revolver a notable collectible with clear provenance.
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: This firearm is in great shape overall. The exterior shows a few minor, superficial scratches and small blemishes from light handling.
What’s Included
- Walnut presentation case with '76 Centennial' medallion; blue velvet-lined interior marked 'RUGER COLORADO CENTENNIAL 1876–1976'.
- Ruger Colorado Centennial 1876–1976 insert card/certificate.
- Spare roll-engraved Colorado-themed cylinder.
- Red drawstring pouch for spare cylinder.
- Original case.
Officially authorized by the Colorado Centennial–Bicentennial Committee, this commemorative Single-Six carries distinctive markings throughout. The barrel is inscribed '1876 ★ Colorado Centennial ★ U.S. Bicentennial ★ 1776', and the bottom of the grip frame is marked '1876 Colorado 1976'. The serial number prefix 76- further denotes its commemorative status.
Both the .22 LR and .22 WMR cylinders are factory roll-engraved with Colorado-history scenes by artist James Triggs, underscoring the set’s thematic focus. The engraving is complemented by the blued finish on the steel barrel and cylinders, presenting a cohesive commemorative appearance.
Built on Ruger’s New Model Single-Six platform, this single-action revolver uses transfer-bar lockwork and features a 6.5-inch steel barrel. It pairs a stainless steel grip frame, hammer, and trigger with rosewood grip panels bearing Ruger medallions, creating a striking contrast with the blued metalwork.
The sighting setup is straightforward and useful, with a ramped front sight and an adjustable rear sight. The included walnut presentation case, marked interior lining, spare engraved cylinder, and paperwork round out a complete commemorative package from 1976.

