Firearms

Ruger GP100 .357 Mag 4.2-inch Blued

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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

Blued steel GP100 with 4.2-inch barrel. Classic blue finish on Ruger's workhorse .357 revolver.

Type: Revolver

Action: Double-Action

Caliber: .357 Mag

Capacity: 7

Year introduced: 1986, USA

Weight: 40 oz

Overall length: 9.5"

Status: Active

Intended use: Law Enforcement, Service, Self-Defense