Firearms

Maxim Defense MDX 505 9mm 5.5-inch

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Specifications

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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

Maxim Defense MDX 505 in 9mm with 5.5-inch barrel. Compact 9mm PDW pistol on SCW platform.

Type: Pistol

Action: Semi-Automatic

Caliber: 9mm

Capacity: 33

Year introduced: 2020, USA

Weight: 46 oz

Overall length: 16"

Status: Active

Intended use: PDW, PCC Pistol, Home Defense