Colt Trooper Mark III
Colt's Manufacturing Company · Revolver · Discontinued · 1969
Also known as: Trooper MK III, Trooper Mk3
Overview
The Colt Trooper Mark III is a medium-large-frame, six-shot double-action revolver introduced in 1969 as a major redesign of the earlier Trooper. The Mark III introduced Colt's modernized 'J' frame action with a coil mainspring and a transfer-bar-style safety, simplifying manufacture while improving durability. It was offered in .357 Magnum, .38 Special, .22 LR and .22 Magnum with 4-, 6- and 8-inch solid-rib heavy barrels featuring an ejector-rod shroud.
Specifications
| Weight (empty) | 1110 g (39.2 oz) |
| Overall Length | 286 mm (11.26") |
| Barrel Length | 152 mm (5.98") |
| Action Type | Double Action |
| Firing Mechanism | Hammer Fired |
| Trigger Type | Double Action |
| Magazine Capacity | 6 rounds |
| Magazine Type | Cylinder |
| Muzzle Velocity | 440 m/s (1444 fps) |
| Muzzle Energy | 784 J (578 ft·lbf) |
| Effective Range | 50 m (55 yd) |
| Barrel Rifling | Left Hand |
| Number of Grooves | 6 |
| Frame Material | Steel |
| Barrel Material | Steel |
| Stock Material | Walnut |
| Finish | Blued |
Calibers
- .357 Magnum · primary — also known as .357 Mag, .357 S&W Magnum, 9x33mmR
Features
- Firing modes: Repeating
- Feed systems: Revolver Cylinder
- Safety mechanisms: Transfer Bar, Hammer Block
- Features: Adjustable Rear Sight, Solid Rib Barrel, Ejector Rod Shroud, Heavy Barrel
Service history
Operators
- United States police departments
Production
Production years: 1969-1983
Origin
Country of origin: United States
Discontinued: 1983
Notes
Produced 1969-1983 and succeeded by the Trooper Mark V. Popular as a service and field/duty revolver of its era.