.17 Hornady Magnum Rimfire, or 17 HMR ammo, is a relatively young cartridge that caused a stir when it was released more than a decade and a half ago. The popularity of the round is not surprising. It is one of the fastest and most accurate slash shot cartridges on the market today.

However, many people are not very familiar with the 17 HMR ammo or what it can do. I prepared this guide to tell you! Let's start now.