Firearms

Glock Glock 21 Gen4

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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

Full-size Gen4 .45 ACP pistol with dual recoil spring and modular backstrap.

Type: Pistol

Action: Semi-Automatic

Caliber: .45 ACP

Capacity: 13

Year introduced: 2013, Austria

Weight: 29.28 oz

Overall length: 8.07"

Status: Active

Intended use: Duty/Service