Home / Colt / Colt New Service

Colt New Service

Revolver Colt

Not sure what you're looking at? Identify it from its markings · What the stamps on the barrel mean

Colt New Service by Colt

Photo: Hmaag — CC BY-SA 3.0 · license · via Wikimedia Commons

Technical Specifications

Type Revolver
Country of origin United States
Manufacturer Colt's Patent Firearms Manufacturing Co.
Produced 1898–1946
In service 1898–1960s
No. built 356,000+
Cartridge .38-40, .44 Russian, .44 Special, .44-40, .45 Colt, .455 Webley, and later .45 ACP, .38 Special, .357 Magnum as well as other less common calibers.
Action Double-action revolver
Feed 6-round cylinder

Data from Colt New Service (Wikipedia, 2026-09-22). Text licensed under CC BY-SA. Image: CC BY-SA 3.0 — Hmaag.

Compatible Calibers (2)

.45 Colt
Pistol
Bullet: 11.43mm
Case: 32.4mm
.45 Long Colt
.410 Bore
Shotgun
Bullet: 25.6mm
.410

Similar Guns

Related Guides & Articles

The History of Colt