Firearms

Windham Weaponry MEF

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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

M4 Enhanced Features AR with mid-length gas system, ambidextrous controls, and Magpul furniture

Type: Rifle

Action: Semi-Automatic

Caliber: 5.56x45mm NATO

Capacity: 30

Year introduced: 2012, USA

Weight: 112 oz

Overall length: 32.5"

Status: Active

Intended use: Sport Shooting, Home Defense