Firearms

Henry Repeating Arms Big Boy Side Gate .44-40 Win 20-inch

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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

Henry Big Boy Side Gate in .44-40 Winchester with 20-inch octagon barrel. Dual loading system. The .44-40 chambering targets SASS Frontier Cartridge category competitors who want the classic cartridge with Henry reliability.

Type: Rifle

Action: Lever-Action

Caliber: 44-40 Win

Capacity: 10

Year introduced: 2020, USA

Weight: 44 oz

Overall length: 38.5"

Status: Active

Intended use: Cowboy Action, SASS Frontier Cartridge, Collector