Firearms

Lewis Machine & Tool MRP Defender 5.56x45mm 16-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 MRP Defender with 16-inch barrel, monolithic upper, and enhanced furniture package. Civilian-accessible version of MRP platform.

Type: Rifle

Action: Semi-automatic

Caliber: 5.56x45mm

Capacity: 30

Year introduced: 2012, USA

Weight: 69 oz

Overall length: 35.5"

Status: Active

Intended use: Home Defense/Patrol