Understanding the .17 HMR
Brief History and Development
The sharp crack of a rifle, the distant “thwack” of a bullet impacting its target – for many, this is the sound of a satisfying day at the range or the thrill of the hunt. But choosing the right tool for the job can be a daunting task, especially in the world of firearms. One cartridge that consistently sparks conversations and enjoys considerable popularity among shooting enthusiasts is the .17 Hornady Magnum Rimfire, or .17 HMR. This article aims to delve into the specifics of this intriguing round, answering the crucial question: What is 17 HMR good for? We’ll explore its strengths, its limitations, and what makes it a compelling choice for various shooting applications.
Technical Specifications
From a technical standpoint, the .17 HMR is based on the .22 WMR (Winchester Magnum Rimfire) case, necked down to accept a .17 caliber (4.5 mm) bullet. This design gives it several advantages. The smaller diameter of the bullet leads to a flatter trajectory, and the high velocity it achieves results in a significant energy boost, particularly at longer ranges.
The .17 HMR’s specifications highlight its unique capabilities. The bullets commonly used in this cartridge come in various weights, with the most common ranging from fifteen to twenty grains. However, the real magic lies in its velocity. Bullets fired from the .17 HMR can achieve velocities exceeding two thousand five hundred feet per second (fps), with some exceeding the three thousand fps mark. This swiftness, coupled with the bullet’s aerodynamic design, contributes greatly to its impressive trajectory characteristics. The energy produced at the muzzle and at longer distances often surpasses that of the .22 LR by a considerable margin.
What Is 17 HMR Good For? – Primary Applications
Varmint Hunting
Varmint hunting is perhaps the most popular application for the .17 HMR. Varmints are typically defined as nuisance animals, such as prairie dogs, groundhogs, squirrels, and even certain species of rabbits. These animals often cause agricultural damage, and their populations are carefully managed in many areas through regulated hunting.
The .17 HMR is exceptionally well-suited to this purpose. Its flat trajectory means that the bullet drops less over distance, simplifying shot placement and minimizing the need for holdover. Its high velocity imparts a significant amount of kinetic energy on impact, resulting in a more decisive, effective kill compared to slower rimfire rounds. The caliber also tends to cause less meat damage than centerfire rounds, which is a consideration for those who might wish to salvage the pelt. The .17 HMR offers a good balance of accuracy and energy transfer for varmint hunting.
The effective range for varmint hunting with the .17 HMR can be quite impressive, often extending beyond one hundred and fifty yards, and sometimes even further, depending on the skill of the shooter and the prevailing conditions. Bullet selection is crucial, and a variety of .17 HMR loads are available, with options tailored for different types of varmint and hunting situations. Lighter bullets tend to perform better at longer ranges, while heavier bullets might be favored for larger, tougher targets.
Small Game Hunting
The .17 HMR is also a respectable choice for small game hunting. In many areas, this includes rabbits, hares, and other similar-sized animals. The cartridge’s accuracy and energy are well-suited for cleanly taking these animals at ranges that are appropriate.
Ethical considerations are paramount in small game hunting. Selecting a bullet and using a shooting distance that minimizes the risk of wounding and maximizing the chances of a clean, humane kill is essential. The .17 HMR, when used responsibly, can certainly meet these ethical standards.
Target Shooting and Plinking
Beyond hunting, the .17 HMR finds a strong niche in target shooting and plinking. The cartridge’s inherent accuracy is a major draw, making it a joy to shoot at targets at various distances.
The .17 HMR offers a noticeable advantage over the .22 LR when it comes to target shooting. Its flatter trajectory means that shots are more consistent and less affected by bullet drop, making it easier to hit distant targets. Additionally, the .17 HMR typically boasts a higher ballistic coefficient, meaning the bullet retains its velocity more effectively and is less susceptible to wind drift compared to a .22 LR bullet of similar weight.
A variety of targets are suitable for .17 HMR plinking. Paper targets, steel silhouettes, and reactive targets all provide a rewarding experience. The .17 HMR is generally safer for use on public ranges due to its lower potential for ricochets, when compared to many centerfire rifle rounds.
Advantages of the .17 HMR
Flat Trajectory
As mentioned, the .17 HMR’s flat trajectory is one of its most attractive qualities. This means that the bullet travels in a relatively straight line, minimizing the amount of drop over distance. This simplifies the aiming process, reducing the need to compensate for bullet drop, especially at varying ranges. This is a distinct advantage for beginners and experienced shooters alike.
High Velocity
The .17 HMR’s high velocity is a key factor in its performance. The speed at which the bullet travels gives it a flatter trajectory and allows for greater kinetic energy on impact. This increase in kinetic energy contributes to the .17 HMR’s effectiveness in both hunting and target shooting scenarios.
Accuracy
Accuracy is a crucial factor in any shooting application. The .17 HMR, thanks to its design and the quality of the ammunition produced, is known for its inherent accuracy. The tight tolerances of the cartridge and the careful manufacturing processes contribute to this characteristic.
The accuracy of the .17 HMR is amplified by the quality of the rifle. A well-made .17 HMR rifle, matched with high-quality ammunition, can deliver exceptional results, allowing shooters to consistently hit targets at longer ranges.
Relatively Low Recoil
Compared to centerfire rifles, the .17 HMR offers minimal recoil. This makes it easier to control and allows for faster follow-up shots, a distinct advantage in hunting and target shooting. The low recoil also makes it an ideal option for youth shooters or those who are new to firearms.
Potential Drawbacks and Considerations
Price of Ammunition
The cost of .17 HMR ammunition is generally higher than that of .22 LR ammunition. This higher cost can be a consideration for shooters who plan to engage in extensive target practice or those who simply prefer the economic advantages of more affordable rimfire options.
Wind Drift
The lightweight, high-velocity bullets used in the .17 HMR can be susceptible to wind drift, especially at longer ranges. Strong crosswinds can push the bullet off course, requiring the shooter to make precise adjustments to account for windage.
Limited Range
While the .17 HMR offers an effective range, it’s not suitable for use at extreme distances. The bullet’s relatively light weight means that it loses velocity and energy at a greater rate than heavier centerfire bullets.
Rifling Twist Rate
The rifling twist rate of the rifle is a significant factor in accuracy. The right twist rate is essential for stabilizing the bullet during flight. For the .17 HMR, a common twist rate is one turn in nine inches. Choosing a rifle with the appropriate twist rate is essential for achieving optimal accuracy.
Rifles Chambered in .17 HMR
Types of Rifles Available
The most common type of .17 HMR rifle is the bolt-action rifle. These rifles are known for their reliability and inherent accuracy. The simple action allows for precision and consistent performance. Lever-action rifles and semi-automatic rifles are also available, though not as prevalent as bolt-action models.
Popular Brands and Models
Several reputable manufacturers produce rifles chambered in .17 HMR. Savage Arms, Ruger, and CZ offer popular bolt-action models, which are known for their accuracy and reliability. These brands are often sought after by shooters who prioritize precision and consistency.
Comparing .17 HMR to Other Cartridges
The .22 Long Rifle
The .22 LR is the .17 HMR’s closest competitor. While the .22 LR is the quintessential rimfire round, the .17 HMR offers a significant performance upgrade. The .22 LR offers affordability and availability, while the .17 HMR offers superior range, flatter trajectory, and increased energy on impact.
The .22 WMR (Winchester Magnum Rimfire)
The .22 WMR, the parent case of the .17 HMR, sits between the .22 LR and the .17 HMR in terms of performance. The .22 WMR offers increased velocity and energy compared to the .22 LR, but the .17 HMR delivers an even flatter trajectory and more energy at longer ranges, making it better suited for varmint hunting.
Safety Considerations
Safe Gun Handling
Always treat every firearm as if it is loaded. Keep the muzzle pointed in a safe direction at all times. Never point the firearm at anything you are not willing to destroy. Ensure that the action is open and the firearm is unloaded when not in use.
Range Etiquette
Follow all range rules and safety guidelines. Obey the range officer’s instructions. Only load your firearm when on the firing line and ready to shoot. Be aware of your surroundings.
Proper Storage of Ammunition and Firearms
Store ammunition in a secure location, away from heat and sources of ignition. Secure firearms in a locked safe or cabinet when not in use, to prevent unauthorized access.
Conclusion
The .17 HMR is a versatile and accurate rimfire cartridge with a well-deserved reputation. Whether for varmint hunting, small game hunting, or target shooting, this round provides a compelling blend of performance, accuracy, and ease of use. The .17 HMR’s flat trajectory, high velocity, and minimal recoil make it an excellent choice for a wide range of shooters.
The .17 HMR is a good choice for varmint hunters who demand accuracy and a decisive impact on small, fast targets. It’s also an excellent choice for target shooters looking for enhanced performance beyond .22 LR. However, potential buyers should consider ammunition costs and wind drift.
If you are seeking a reliable, accurate, and enjoyable rimfire experience, the .17 HMR is definitely worth considering. Further research on specific models and ammunition types will help you make the best choice for your needs.
