Firearms

Sig Sauer MCX-P 5.56x45mm 11.5-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

Pistol-configuration MCX with 11.5-inch barrel and brace; NFA-exempt.

Type: Pistol

Action: Semi-Automatic

Caliber: 5.56x45mm NATO

Capacity: 30

Year introduced: 2018, Germany

Weight: 6.5 oz

Overall length: 27"

Status: Active

Intended use: Tactical, Home Defense