Firearms

Cooper Firearms of Montana Model 21

Specifications

About

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

Custom bolt-action varmint rifle built on the Kimber-derived Cooper action. Available in a wide range of varmint and small centerfire calibers with premium walnut stocks and hand-lapped barrels.

Type: Rifle

Action: Bolt-Action

Caliber: Various

Capacity: 4

Year introduced: 1992, USA

Weight: 96 oz

Overall length: 42"

Status: Active

Intended use: hunting, competition