Description
This is the OEM factory magazine Savage built to feed the A17 and B17 platform in .17 HM2. It's a straightforward rotary design that holds 10 rounds and keeps you in the field longer between reloads on small game hunts or range days. The compact profile fits easily into a pack or gear bag without snagging, and at just 7.15 inches long it won't clutter your setup.
What to Expect from the A17 Mach 2 Rotary Magazine
The magazine comes together with blued steel construction that matches your rifle's finish and holds up to field use and storage without rust issues. Inside, you've got a steel wire spring paired with a polymer rotary housing and follower, all working together to feed rounds smoothly into the chamber. The rotary design maximizes capacity while keeping the footprint small enough not to get in the way. Most people find the loading smooth once they understand the mechanics, and the steel construction combined with the rotary system gives you reliable feeding cycle after cycle.
Durable Build for Long-Term Use
Savage engineered this magazine to the same standards as the one that shipped with your rifle, so you're getting factory-level quality as a spare or replacement. The blued finish provides solid corrosion resistance for hunting or target work, and the polymer components are built to handle repeated loading without wearing out. An anti-friction coating on the internals helps reduce friction when the rotary mechanism turns, making the whole loading process easier over time.
Works With Your A17 or B17
This magazine is your drop-in match for any Savage A17 or B17 chambered in .17 HM2. It seats securely once installed, and the snug fit means no wobble when you're in the field. If you've worn out the original mag that came with your rifle or just want spares ready to go, this is the factory part that guarantees proper fit and function.
Key Specifications
- Manufacturer: Savage Arms
- Manufacturer Part Number: 55258
- UPC: 011356552587
- Caliber: .17 HM2 (Hornady Mach 2)
- Capacity: 10 rounds
- Type: Rotary
- Material: Blued steel body with polymer rotary housing
- Spring: Steel wire
- Follower: Polymer
- Finish: Blued
- Length: 7.15 inches
- Compatible Models: Savage A17, B17 (.17 HM2)
- Feed Lips: Steel reinforced
- Coating: Anti-friction
What’s Included
- 1x Savage A17 Mach 2 rotary magazine
Frequently Asked Questions
Is this magazine compatible with the B17?
Yes, this magazine works with both Savage A17 and B17 rifles chambered in .17 HM2. It's designed as the factory magazine for both platforms and fits securely in either rifle.
What's the difference between this .17 HM2 magazine and the .17 HMR magazine?
The .17 HM2 and .17 HMR are different cartridges and use different magazines. Make sure you get the correct one for your specific rifle and caliber. Check your rifle's chamber or owner's manual to confirm which caliber you have.
Is the rotary mechanism hard to load?
The rotary design is straightforward once you understand the motion. New magazines can feel a bit stiff at first, but they free up with use. Keep the bolt locked back when inserting the magazine into the rifle to make seating easier.
Can I use this magazine in my B17F or older Savage .22LR rifle?
This magazine is specifically designed for .17 HM2 rifles. Do not use it in .22LR or other calibers. Using the wrong magazine can cause feeding problems and potential safety issues. Always verify your rifle's caliber before purchasing magazines.





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