Firearms

US Armory Allin Conversion M1866 .50-70 36-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

First trapdoor conversion, adapting Civil War muzzleloaders to breech-loading.

Type: Rifle

Action: Single-Shot

Caliber: .50-70 Government

Capacity: 1

Year introduced: 1866, USA

Weight: 9 oz

Overall length: 52"

Status: Discontinued

Military use: Yes

Intended use: Military, Collecting