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The 17 Hornady Mach 2 fills a solid niche for those who want more speed and flatter trajectory than standard rimfire without jumping up to magnum rimfire power. At 2100 fps, this round moves quick enough to cut wind drift and keep your shots grouped tight at extended range. Hornady's Varmint Express line is built with meticulous attention to consistency, so every round performs like the last one.
Based on the CCI Stinger case necked down to 17 caliber, the Mach 2 sits between standard 22 LR and the more expensive 17 HMR. You get a significant velocity bump over 22 LR with reduced cost compared to magnum rimfire options. This makes it a practical choice for folks serious about varmint control or those who want to stretch their rimfire range without excessive expense. The cartridge does require a rifle specifically chambered for it, though a solid selection of bolt actions and semi-autos are available.
The 17-grain Hornady V-MAX bullet features a polymer tip that enhances accuracy in flight while promoting rapid fragmentation upon impact. This design delivers clean, ethical hits on ground hogs, prairie dogs, and similar varmints while minimizing meat damage on edible game. The bullet's construction ensures it expands reliably across the velocity range you'll typically encounter in the field.
Every Varmint Express cartridge gets hand inspected before shipping to catch any cosmetic issues. The powder is selected lot to lot for consistency, meaning velocity and pressure stay uniform from box to box. Primers are individually matched to the load for reliable ignition, and the American-made brass meets Hornady's strict standards for feeding reliability and pressure handling. This level of attention translates directly to tighter groups and more predictable field performance.
Yes, they are not interchangeable. The 17 HM2 is based on a necked-down CCI Stinger 22 LR case and travels around 2100 fps, while the 17 HMR uses a 22 WMR case and achieves roughly 2550 fps. Using the wrong ammunition in your rifle will cause feeding problems and safety issues, so always verify your rifle's chamber before shooting.
The 17 HM2 with V-MAX bullets works well for varmint hunting out to about 100-150 yards depending on your rifle and shooting skill. At those distances you get good velocity retention, reliable expansion, and minimal wind drift compared to 22 LR. Beyond 150 yards, energy drops significantly, though some experienced shooters extend their range further.
Hornady's Varmint Express is one of only two major factory loads still being made for this cartridge. Reviewers consistently report that Hornady's load prints tight groups and delivers reliable field performance. The hand-inspection process and lot-to-lot powder consistency mean you get more predictable accuracy from box to box than you might expect from rimfire ammunition.
Yes, the brass is reloadable, though finding 17 HM2 reloading components like dies and bullets is more challenging than for common rimfire cartridges. If you plan to reload, source your components before you need them since availability can be spotty.
| UPC | 090255831771 |
|---|---|
| Manufacturer | |
| Manufacturer Part Number | 83177 |
| Bullet Weight (Grains) | 17 |
| Caliber/Gauge | .17 HM2 |
| Case Material | Brass |
| Grains | 17Gr |
| Length | 3 |
| Model | |
| Product Type | V-Max |
| Shipping Weight | 0.25 |
| Units per Box | 50 |
| Cost per Round | 0.28 |
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