Colt Diamondback .38 Special 4-inch Blued Revolver (1977) – Vent Rib, Full Underlug, Adjustable Sights
This 1977 Colt Diamondback is a polished blued, D-frame .38 Special with the classic ventilated rib and full-length underlug barrel profile. It features Colt’s adjustable-sight target configuration, a six-shot fluted cylinder, and the Rampant Colt logo on the frame. Aftermarket Pachmayr Presentation wraparound rubber stocks are installed, making this a customized example of Colt’s renowned snake-gun family.
Condition
Overall Condition: Good condition, showing some signs of prior use and handling.
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 and use. Please refer to the pictures for additional detail.
What’s Included
- Hard plastic pistol case with embossed horse-and-rider motif
- Pachmayr Presentation rubber wraparound stocks (installed)
Built on Colt’s D-frame, this Diamondback pairs a 4-inch carbon-steel barrel with a ventilated rib, full-length underlug, heavy profile, and ejector-rod shroud. The combination delivers the distinctive Diamondback silhouette alongside a six-shot fluted cylinder chambered in .38 Special.
The polished blued finish on the frame, cylinder, and barrel presents the classic Colt appearance from the era. Controls include an exposed hammer with a wide, checkered spur and a smooth trigger face, along with the Colt-style cylinder release latch on the left side.
Target-oriented sights consist of a serrated ramp front sight and a fully adjustable rear sight, forming a clean, adjustable iron-sight picture. The Rampant Colt logo is present on the frame.
Production aligns with the N-prefix D-frame serial range for 1977, placing this revolver in the heart of the 1970s snake-gun era. It was made in the USA and is configured as a double-action/single-action revolver. Aftermarket Pachmayr Presentation wraparound rubber stocks are installed.