Firearms

Colt New Service .45 Colt 5.5-inch

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Specifications

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Notable Variants

Aftermarket Ecosystem

Historically Significant Examples

Serial Number Data

Production data from factory records and collector research. Year ranges are approximate for pre-1968 firearms.

Years	Serial Range	Count	Factory	Country	Confidence

Colt's large-frame double-action service revolver. Used by the US Army, Navy, and Marines. The standard US military revolver of WWI.

Type: Revolver

Action: Double-Action

Caliber: .45 Colt

Capacity: 6

Year introduced: 1898, USA

Weight: 40.5 oz

Overall length: 10.8"

Status: Discontinued

Military use: Yes

Intended use: Collector, Military