Firearms

Springfield Armory Springfield Model 1866 Allin Conversion .50-70 Govt 32.5-inch

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Specifications

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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

The first Allin Conversion trapdoor rifle, converting Civil War muzzleloaders to breach-loading by adding a hinged loading door machined into the barrel. The 50-70 Government was the first US Army centerfire cartridge.

Type: Rifle

Action: Single-Shot

Caliber: 50-70 Govt

Capacity: 1

Year introduced: 1866, USA

Weight: 8.75 oz

Overall length: 52.5"

Status: Discontinued

Military use: Yes

Intended use: Military Service