Firearms

Heizer Defense PKO-45

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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

Ultra-thin single-stack .45 ACP pistol. 0.45-inch wide; claimed thinnest .45 ACP pistol produced.

Type: Pistol

Action: Semi-Automatic

Caliber: .45 ACP

Capacity: 5

Year introduced: 2014, USA

Weight: 23 oz

Overall length: 6.375"

Status: Active

Intended use: Deep Concealment