Firearms

Proof Research Switch Barrel .308/.300 WM convertible 22-inch

Schematic

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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

Unique convertible bolt-action with tool-less switch barrel system allowing rapid caliber changes between .308 Win and .300 Win Mag without tools or gunsmithing.

Type: Rifle

Action: Bolt-Action

Caliber: .308 Winchester / .300 Winchester Magnum

Capacity: 4

Year introduced: 2020, USA

Weight: 108.8 oz

Overall length: 42"

Status: Active

Intended use: Versatile Hunting