Firearms

Quarter Circle 10 QC10 GSF 9mm 16-inch

Schematic

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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

Glock-magazine-compatible AR-15 pattern 9mm carbine with a 16-inch barrel. Dedicated QC10 upper and lower with last-round bolt hold-open. One of the pioneers of the Glock-native AR PCC format.

Type: Rifle

Action: Semi-Automatic

Caliber: 9mm

Capacity: 33

Year introduced: 2016, USA

Weight: 6.1 oz

Overall length: 35"

Status: Active

Intended use: Range / Home Defense