Firearms

Aero Precision M4E1 18-inch

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Specifications

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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 rifle-length gas M4E1 for precision and competition shooting with a longer sight radius.

Type: Rifle

Action: Semi-Automatic

Caliber: 5.56 NATO

Capacity: 30

Year introduced: 2018, USA

Weight: 64 oz

Overall length: 34.75"

Status: Active

Intended use: competition, precision, patrol