Firearms

Lewis Machine & Tool MARS-H 7.62x51mm 20-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

LMT MARS-H in 7.62x51mm with 20-inch barrel. Longer variant of the MARS-H for maximum .308 velocity and precision application.

Type: Rifle

Action: Semi-automatic

Caliber: 7.62x51mm

Capacity: 20

Year introduced: 2010, USA

Weight: 108 oz

Overall length: 40"

Status: Active

Military use: Yes

Intended use: DMR/Precision