Ruger JMX-1 9-Round Magazine .22 WMR/.17 HMR

The Ruger JMX-1 is a factory rotary replacement magazine designed for select Ruger rimfire magnum rifles. It provides a 9-round capacity for .22 WMR and .17 HMR and combines a polymer body with a steel feed for durable, consistent function. This magazine fits a range of Ruger models including 77/17, 77/22 and American Rimfire series.

Key Specifications

• The capacity is 9 rounds.
• Compatible calibers are .22 WMR and .17 HMR.
• The construction features a black polymer body with a steel feed.
• The model designation is JMX-1.
• The magazine type is a rotary magazine.
• Fits firearm models: Ruger 77/17, 77/22, 96/17, 96/22 and American Rimfire.
• Country of origin is listed as US.
• The listed weight is 0.2 lb.
• Dimensions are 1.60 x 3.45 x 7.35 inches.
• The finish is listed as black.

This JMX-1 rotary magazine is a straightforward, factory-fit option for informed shooters who need a reliable spare or replacement for compatible Ruger rimfire magnum rifles. Its polymer body and steel feed are specified to provide consistent feeding in range, target, and precision shooting contexts.