Firearms

Sig Sauer MCX Spear LT 5.56 NATO 16-inch

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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

Commercial variant of the NGSW-AR platform in 5.56 NATO configuration

Type: Rifle

Action: Semi-Automatic

Caliber: 5.56 NATO

Capacity: 30

Year introduced: 2022, USA

Weight: 142 oz

Overall length: 36"

Status: Active

Military use: Yes

Intended use: Tactical