Firearms

Armalite M-15 A4 5.56x45mm 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

Retro-spec A4 upper with flat-top rail on the original ArmaLite platform.

Type: Rifle

Action: Semi-Automatic

Caliber: 5.56x45mm

Capacity: 30

Year introduced: 1995, USA

Weight: 7.8 oz

Overall length: 39.5"

Status: Active

Intended use: Service, Competition