Firearms

Henry Repeating Arms Henry Big Boy .357 Mag Brass 20-inch Side Gate

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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

Big Boy brass receiver with side gate in .357 Mag, the highest-capacity brass-frame side gate lever-action in Henry's catalog. Accepts .38 Special for reduced recoil practice.

Type: Rifle

Action: Lever-Action

Caliber: .357 Mag

Capacity: 12

Year introduced: 2020, USA

Weight: 82 oz

Overall length: 38.5"

Status: Active

Intended use: Cowboy Action / Hunting