Firearms

CMMG Mk3 .308 Win 18-inch

Schematic

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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

18-inch barrel Mk3 configuration for extended precision from the AR-10-format platform.

Type: Rifle

Action: Semi-Automatic

Caliber: .308 Win

Capacity: 20

Year introduced: 2015, USA

Weight: 108.8 oz

Overall length: 37.5"

Status: Active

Intended use: Precision / Battle Rifle