Firearms

Windham Weaponry RMCS-3 5.56x45mm 16-inch

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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

Windham Weaponry RMCS-3 (Replaceable Modular Caliber System) with 16-inch 5.56 barrel. Modular platform designed for rapid caliber conversion.

Type: Semi-Auto Rifle

Action: Semi-Automatic

Caliber: 5.56x45mm

Capacity: 30

Year introduced: 2014, USA

Weight: 64 oz

Overall length: 32.5"

Status: Active

Intended use: General Purpose/Versatility