Firearms

Windham Weaponry R20FSGFS 5.56x45mm 20-inch Gov Profile

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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 R20FSGFS with 20-inch government-profile barrel and flat-top receiver. Full-size service rifle configuration from the former Bushmaster staff.

Type: Semi-Auto Rifle

Action: Semi-Automatic

Caliber: 5.56x45mm

Capacity: 30

Year introduced: 2012, USA

Weight: 79 oz

Overall length: 39.5"

Status: Active

Intended use: Service Rifle