Firearms

Heckler & Koch MR223 5.56 NATO 16.5-inch A3

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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

MR223 A3 with enhanced handguard and updated furniture. Improved European G36 civilian variant.

Type: Rifle

Action: Semi-Automatic

Caliber: 5.56 NATO

Capacity: 30

Year introduced: 2010, Germany

Weight: 8.7 oz

Overall length: 33.1"

Status: Active

Intended use: Civilian/Sport