Firearms

CMMG Mk4 5.56 NATO 16-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

CMMG Mk4 carbine in 5.56 NATO with 16-inch barrel. Quality mid-tier AR-15 in full-length configuration.

Type: Rifle

Action: Semi-Automatic

Caliber: 5.56 NATO

Capacity: 30

Year introduced: 2015, USA

Weight: 64 oz

Overall length: 32"

Status: Active

Intended use: Home Defense, Range, Tactical