Firearms

Ruger AR-556 .300 Blackout 16.1-inch

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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

AR-556 chambered in .300 BLK, optimized for suppressor use.

Type: Rifle

Action: Semi-Automatic

Caliber: .300 Blackout

Capacity: 30

Year introduced: 2018, USA

Weight: 62.4 oz

Overall length: 32.25"

Status: Active

Intended use: Suppressed shooting, home defense