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The Ruger JMX-1 Rotary Magazine (90076) is the genuine factory 9-round rotary magazine for .17 HMR and .22 WMR chambered Ruger bolt-action and precision rimfire rifles, built to the same specifications as the original equipment magazine for a guaranteed drop-in fit and reliable feeding in every compatible platform.
Key Features
- Part Number: 90076
- UPC: 736676900763
- Type: Detachable rotary magazine
- Caliber: .17 HMR and .22 WMR
- Capacity: 9 rounds
- Body Material: Black polymer
- Feed Lips: Steel
- Finish: Matte black
- Compatible Firearms: Ruger 77/17, 77/22 WMR, 96/17, 96/22M, American Rimfire, Ruger Precision Rimfire, 10/22 Magnum
- Manufacturer: Genuine Ruger factory accessory
- Country of Manufacture: USA
Special Features
- The rotary magazine design positions each round individually on a rotating spool rather than stacking them at an angle, presenting each cartridge to the bolt face at a consistent, controlled angle that virtually eliminates the tip-up misfeeds and rim-lock failures common in standard box magazine designs
- Steel feed lips are precision-formed to Ruger factory tolerances, maintaining their geometry through thousands of feeding cycles without the deformation that can eventually cause polymer feed lips to lose retention or misalign rounds
- Dual caliber compatibility with both .17 HMR and .22 WMR in a single magazine design allows owners of rifles chambered in either caliber to use the same magazine platform across their rimfire lineup
Practical Benefits
- As a genuine Ruger OEM magazine, the 90076 drops in and locks up identically to the factory original with no fitting or adjustment required, making it the safest and most reliable spare or replacement choice for any compatible Ruger rimfire owner
- Keeping a spare JMX-1 on hand eliminates single-loading during range sessions or hunting situations where a fast follow-up round matters, and provides a ready backup if the primary magazine is lost or damaged in the field
- The flush-mounted rotary profile keeps the magazine seated close to the stock without protruding, maintaining the clean, traditional silhouette of the 77-series and American Rimfire platforms in the field
The Ruger JMX-1 Rotary Magazine (90076) is a dependable option for any owner of a Ruger 77/17, 77/22 WMR, American Rimfire, or Ruger Precision Rimfire looking for a factory-correct spare magazine with guaranteed fit and reliable feeding in .17 HMR or .22 WMR.
| MANUFACTURER | RUGER |
| CALIBER | 17 HMR |
| CAPACITY | 9 ROUNDS |