Firearms

Winchester SX4 12 Gauge 28-inch

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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

Gas-operated semi-auto with Active Valve system and 28-inch barrel.

Type: Shotgun

Action: Semi-Automatic

Caliber: 12 Gauge

Capacity: 4

Year introduced: 2016, USA

Weight: 65 oz

Overall length: 49.75"

Status: Active

Intended use: Hunting