Firearms

CMMG Mk4 RCE 5.56

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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

CMMG Mk4 SBR-length pistol in 5.56.

Type: Rifle

Action: Semi-Automatic

Caliber: .223 Rem/5.56

Capacity: 30

Year introduced: 2017, USA

Weight: 6 oz

Overall length: 20"

Status: Active

Intended use: Sport, Tactical