Firearms

Glock Glock 21 Gen1

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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

First-generation full-size .45 ACP; original wide-body .45 Glock.

Type: Pistol

Action: Semi-Automatic

Caliber: .45 ACP

Capacity: 13

Year introduced: 1991, Austria

Weight: 29.28 oz

Overall length: 8.07"

Status: Discontinued

Intended use: Duty/Service