Firearms

Maxim Defense PDX .300 BLK 5.5-inch Pistol

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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

The Maxim Defense PDX in .300 BLK pairs the ultra-compact PDX platform with the suppressor-optimized .300 Blackout cartridge, creating one of the smallest effective suppressor hosts available.

Type: Pistol

Action: Gas-Operated

Caliber: .300 Blackout

Capacity: 30

Year introduced: 2019, USA

Weight: 5.7 oz

Overall length: 19.5"

Status: Active

Intended use: PDW, Suppressed Shooting, Tactical