Firearms

ArmaLite AR-10 .338 Federal 20-inch

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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

ArmaLite AR-10 in .338 Federal with 20-inch barrel, offering superior terminal energy to .308 Win in a semi-auto AR-10 platform.

Type: Rifle

Action: Semi-Auto

Caliber: 338 Federal

Capacity: 10

Year introduced: 2007, USA

Weight: 124 oz

Overall length: 41"

Status: Active

Intended use: Hunting, patrol, close-range precision