Firearms

Zastava M21 5.56x45mm 16.5-inch

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Specifications

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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

Serbian military AK-pattern service rifle chambered for 5.56x45mm NATO. Features AK-74 operating mechanics adapted for NATO standard ammunition. Accepts STANAG magazines with an AK-style receiver.

Type: Semi-Auto Rifle

Action: Semi-Automatic

Caliber: 5.56x45mm

Capacity: 30

Year introduced: 2004, Serbia

Weight: 7.5 oz

Overall length: 38"

Status: Active

Military use: Yes

Intended use: Military, Collecting