What is the 17 HM2 Ammo? 🤔

The .17 Hornady Mach 2, also known as .17 HM2, is a rimfire ammunition cartridge developed by the ammunition company Hornady in 2004. It is based on the .22 Long Rifle (.22 LR) Stinger case, necked down to .17 caliber (4.5 mm) and using a bullet weighing less than half the weight of a typical .22 Long Rifle bullet.

It is designed to take advantage of the high velocity, flat trajectory, and accuracy inherent in a .17 caliber bullet. The round typically fires a 17-grain bullet at velocities around 2,100 feet per second (640 meters per second). This high velocity, combined with the aerodynamic bullet design, makes it a very flat-shooting cartridge. The result is improved accuracy and effectiveness at longer ranges compared to traditional .22 LR cartridges.

Though originally designed for varmint hunting and target shooting, it never quite reached the popularity of other rimfire cartridges like the .22 LR or .17 HMR. Some users cited concerns over ammunition availability and slightly higher costs compared to more established rimfire options. Nevertheless, it’s still used by some enthusiasts for the purposes it was designed for and remains an interesting option in the realm of small-caliber ammunition.

17 HM2 Ammo

Benefits 🔥

  • 💨 Higher Velocity: It typically fires at velocities around 2,100 feet per second, providing a flatter trajectory and higher energy delivery on target.
  • 🎯 Increased Accuracy: The high velocity and flat trajectory make it easier to hit targets at longer ranges, especially when compared to traditional .22 LR cartridges.
  • 🔫 Low Recoil: The lightweight bullet and smaller cartridge produce very low recoil, making it easier for shooters to maintain accuracy through rapid follow-up shots.
  • 🐾 Effective for Varmint Hunting: Designed specifically for varmint and small game hunting, it delivers sufficient energy for a humane and efficient kill without excessive damage.
  • 🎯 Affordable Option for Target Shooting: While it might be more expensive than the .22 LR, it’s generally more affordable than centerfire cartridges, making it a viable option for target practice.
Our Top Pick
CCI Ammunition VNT 17 Hornady Mach 2 Ammo 17 Grain
Experience the unleashed potential of steadfast velocities, soaring up to 2,100 fps, delivering unparalleled accuracy that stands unmatched within its class. With every shot, confidence is instilled through exceptional energy and weight retention, enabling profound penetration even at extended distances.
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Features 😎

  • 🎯 Caliber and Bullet Design: Utilizes a .17 caliber (4.5 mm) bullet, which is lighter and more aerodynamically efficient, allowing for a flatter trajectory.
  • 🔍 Based on the .22 LR Stinger Case: It leverages a proven and reliable cartridge design by necking down the .22 LR Stinger case to .17 caliber.
  • ⚖️ Range of Bullet Weights: Although the 17-grain bullet is the most common, various loads are available to suit different purposes and preferences.
  • 🔧 Compatibility: Some firearms that were initially chambered in .22 LR can be converted to fire with a simple barrel change, expanding the utility of existing weapons.
  • 🎯 Specialized Usage: Targeted for specific uses like varmint hunting and target shooting, it has features tailored to meet enthusiasts’ needs in these areas.
Our Top Pick
17 Hornady Mach 2 (HM2) 17 Gr V-MAX
Elevate your precision to new heights with the fusion of a top-tier polymer tip and a sleek, streamlined design. Experience ultra-flat trajectories that consistently hit their target with laser-like precision, even at considerable distances.
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Target Applications of .17 HM2 Ammo 🎯

It is a relatively small caliber, and while it is not suitable for larger games or self-defense, it has specific target applications that make it popular among certain groups of shooters.

  • 🎯 Small Game Hunting: It is commonly used for hunting small game such as squirrels, rabbits, and varmints. Its relatively high velocity and flat trajectory make it suitable for this purpose.
  • 🎯 Pest Control: Because of its small size and controlled power, it can be an effective cartridge for controlling small pests on private property, like rodents. Its efficiency in taking down small critters without excessive damage makes it suitable for this task.
  • 🎯 Target Shooting and Plinking: This cartridge is popular for target shooting and plinking. The accuracy and low recoil make it enjoyable for casual shooting. It’s particularly suitable for beginners who want to practice their shooting skills without dealing with heavy recoil.
  • 🏆 Competition Shooting: Though not as common as some other cartridges, it can be used in specific shooting competitions. Its flat trajectory and precision make it suitable for competitions that emphasize accuracy at short to medium distances.
  • 👦 Youth Shooting: The low recoil and relatively low noise level make it suitable for youth and novice shooters. It allows them to develop their shooting skills without being intimidated by larger, more powerful cartridges.
  • 🎓 Training: Some people may use this caliber for training purposes. Its affordability and availability can make it a good choice for shooting practice, as it enables more extensive training without incurring high costs.

It is worth noting that it might not be suitable for all legal hunting purposes, depending on the jurisdiction and local regulations. Always consult local laws and regulations and ensure that the caliber and firearm you are using are appropriate for the intended use.

Best 🚀 17 HM2 Ammo Review | Top-3 17 HM2 Ammo

#1 Hornady Varmint Express Rimfire 17 Hornady Mach 2 Ammo 17 Grain

Hornady Varmint Express Rimfire 17 Hornady Mach 2 Ammo 17 Grain

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Unleash the power of the V-MAX technology, meticulously crafted to deliver astounding accuracy and unprecedented terminal impact on your targets. Built for shooters who demand exceptional performance, it is more than just a name – it’s a testament to Hornady’s dedication to excellence.

Crafted with a cutting-edge design, these rounds are loaded to precision specifications, ensuring velocities and trajectories that exceed the 200-yard mark with ease. Each cartridge is encased in premium brass, utilizing only the finest primers and propellants available, providing unmatched consistency and reliability.

Why settle for ordinary rimfire ammo when you can experience the extraordinary? It elevates your shooting experience to new heights. Say goodbye to missed shots and erratic results – embrace pinpoint accuracy and powerful expansion.

Pros:
  • V-MAX technology offers exceptional accuracy and terminal impact.
  • Meticulously crafted design for superior performance.
  • Precision-loaded rounds with velocities and trajectories beyond 200 yards.
  • Premium brass casing, high-quality primers, and propellants ensure consistency and reliability.
  • Elevates shooting experience with pinpoint accuracy and powerful expansion.
Cons:
  • May come at a higher cost compared to ordinary rimfire ammo.
  • Potentially limited availability compared to more common ammunition types.

#2 17 Hornady Mach 2 (HM2) 17 gr V-MAX

17 Hornady Mach 2 (HM2) 17 gr V-MAX

View on LuckyGunner

Step up your accuracy game as the premium polymer tip and streamlined design synergize to deliver ultra-flat trajectories that hit the mark with laser-like precision even at extended distances.

Imagine the thrill of hitting your targets with unparalleled accuracy, made possible by the Hornady V-MAX’s exceptional design. But that’s not all. When the impact is made, these bullets unleash dramatic expansion, transferring energy with explosive force. Experience a muzzle velocity of 2,100 feet per second, ensuring your shots reach their destination swiftly and decisively.

Each round is a masterpiece, meticulously encased in brass and primed with care, ensuring every shot is clean and reliable. Say goodbye to worries of corrosion, as they are non-corrosive, leaving you with more time to focus on your shots and less on maintenance.

Pros:
  • Premium polymer tip and streamlined design result in ultra-flat trajectories and exceptional precision.
  • Unparalleled accuracy, especially at extended distances, enhances shooting success.
  • Dramatic expansion upon impact leads to efficient energy transfer and explosive force.
  • Muzzle velocity of 2,100 feet per second guarantees swift and decisive shot placement.
  • Meticulous brass casing and careful priming ensure clean and reliable shots.
  • Non-corrosive nature reduces maintenance concerns and allows more focus on shooting.
Cons:
  • May require adjustments to shooting technique to fully harness the bullet’s capabilities.
  • The specialized design might not be compatible with all firearms or shooting styles.

#3 CCI Ammunition VNT 17 Hornady Mach 2 Ammo 17 grain

CCI Ammunition VNT 17 Hornady Mach 2 Ammo 17 grain

View on OpticsPlanet

Designed for the discerning marksman, this ammunition is a fusion of economy and excellence, delivering unrivaled benefits that will enhance your shooting experience.

Unleash the power of consistent velocities reaching up to 2,100 fps, providing impeccable accuracy that’s unmatched in its class. Each shot carries the assurance of superior energy and weight retention, allowing for deep penetration even at extended distances. The true game-changer lies in the V-Max® bullets, engineered for rapid expansion upon impact. Witness the extraordinary transformation as they deliver not just a strike, but a controlled explosion of devastation, ensuring your targets are incapacitated with precision.

Notably, it stands as a paragon of affordability in the world of shooting. It’s an economic choice that doesn’t compromise on excellence. With each shot, you’ll feel the exceptional value that comes from having a cartridge that maximizes your shooting potential without draining your resources.

Video review

Pros:
  • Fusion of economy and excellence, providing exceptional value for discerning marksmen.
  • Consistent velocities up to 2,100 fps contribute to unmatched accuracy.
  • Superior energy and weight retention enable deep penetration, even at extended distances.
  • V-Max® bullets are engineered for rapid and controlled expansion upon impact.
  • Affordability without compromising on quality or performance.
  • Enhances shooting experience through precision and effectiveness.
Cons:
  • May require adjustments to shooting techniques to fully capitalize on its capabilities.
  • Compatibility concerns with certain firearms or shooting styles.
  • Limited variety in bullet options within this specific ammunition line.

Guidelines for Maintaining and Storing .17 HM2 📖

💦 Proper Care for Longevity

  • 🔒 Handle with Care: Always handle ammunition with clean, dry hands. Oils, dirt, and moisture can degrade the ammunition over time.
  • ❄️ Avoid Extreme Temperatures: Storing ammo at a consistent, moderate temperature helps to preserve its functionality. Exposure to extreme temperatures can cause the powder to degrade.
  • 🔍 Inspect for Damage: Regularly inspect it for signs of corrosion, dents, or other damage. Discard any rounds that are not in perfect condition.
  • 🚫 Avoid Mixing Lots: If possible, try to keep ammunition of different brands, types, or lots separate. Mixing can lead to confusion and potential performance inconsistencies.
  • 🔄 Avoid Excessive Loading and Unloading: Repeatedly chambering the same round can cause the bullet to be pushed back into the casing, changing the pressure dynamics of the cartridge. This could lead to a failure or dangerous pressure spike when fired.

📦 Storage Guidelines to Maintain Quality

  • 💼 Use Proper Containers: It should be stored in its original packaging or in a suitable ammo can or box that protects it from moisture, dust, and physical damage.
  • 💧 Control Humidity: Store it in a dry environment. If storing in a humid location, consider using desiccant packs to control moisture.
  • 🚫 Store Away from Chemicals and Solvents: Many household chemicals can degrade ammunition. Store your ammo away from such materials.
  • 👶 Keep Away from Children: Ensure that your ammunition is stored in a location that is not accessible to children or unauthorized persons.
  • ☀️ Avoid Direct Sunlight: Prolonged exposure to sunlight can affect the powder within the cartridge, so store the ammo in a dark, cool place.
  • 🔒 Avoid storing with Firearms: If possible, store them separately from firearms, as storing them together may be against local regulations or could present safety risks.
  • 📜 Follow Local Laws and Regulations: Always be aware of and comply with all local laws and regulations regarding the storage and handling of ammunition.
  • 🔄 Rotate Stock: If you have a large quantity of ammunition, consider rotating the stock to ensure that older ammo is used first.

By following these guidelines, you can help to ensure that your ammunition remains reliable and safe to use for many years. Always consult with a firearms professional or the manufacturer’s guidelines if you have specific questions about the care and storage of your particular ammunition.

FAQ 📚

What is 17 HM2 good for?

It was developed in the early 1990s by Hornady Manufacturing as a high-performance cartridge for small game hunting and target shooting.

➡️ A number of advantages over other rimfire cartridges, including:

  • ✔️High velocity: It can launch a 17-grain bullet at speeds of up to 2,100 feet per second (fps), which gives it excellent penetration and energy transfer on a small game.
  • ✔️Flat trajectory: Has a very flat trajectory, which makes it easier to make accurate shots at longer ranges.
  • ✔️Low recoil: Has very low recoil, which makes it a comfortable cartridge to shoot for extended periods of time.

As a result of these advantages, it is a popular choice for small game hunting, such as squirrels, rabbits, and prairie dogs. It is also a good choice for target shooting, especially at longer ranges.

➡️ Here are some specific uses for this cartridge:

  • ☑️Small game hunting: It is an excellent cartridge for hunting small game, such as squirrels, rabbits, and prairie dogs. It has the speed and energy to cleanly take down these animals, and its flat trajectory makes it easy to make accurate shots at longer ranges.
  • ☑️Target shooting: It is also a good choice for target shooting, especially at longer ranges. Its low recoil makes it comfortable to shoot for extended periods of time, and its high velocity and flat trajectory make it easy to make accurate shots.
  • ☑️Plinking: It is also a good choice for plinking, which is the informal shooting of targets for fun. Its low recoil makes it comfortable to shoot for extended periods of time, and its high velocity and flat trajectory make it easy to make accurate shots.

Overall, it is a versatile cartridge that is well-suited for a variety of shooting activities. It is a good choice for small game hunting, target shooting, and plinking.

What is the best barrel length for 17 Mach 2?

🔥 The best barrel length for 17 Mach 2 is 18 inches. This is the length at which the cartridge achieves its maximum velocity. Any barrel length above 18 inches will not significantly improve velocity.

➡️ Here is a table of velocity data at different barrel lengths:

Barrel Length (inches) Velocity (fps)
🔫 16 inches 1950
🔫18 inches 2100
🔫 20 inches 2150
🔫 22 inches 2200

As you can see, the velocity increases with barrel length up to 18 inches. After that, there is no significant increase in velocity.

👍 So, if you are looking for the best possible performance, you should choose a rifle with an 18-inch barrel. This will give you the maximum velocity and accuracy possible with this cartridge.

⚠️ It is important to note that barrel length is not the only factor that affects velocity and accuracy. Other factors, such as the quality of the barrel and the type of ammunition used, can also have a significant impact. However, barrel length is one of the most important factors, and choosing the right barrel length will help you get the most out of your rifle.

Is the 17 Mach 2 dead?

✅ The 17 HM2 cartridge is not dead, but it is not as popular as it once was. It was introduced in the early 1990s as a high-performance cartridge for small game hunting and target shooting. It had a number of advantages over other rimfire cartridges, including high velocity, flat trajectory, and low recoil. However, it also had some disadvantages, such as high cost and limited availability.

✅ In recent years, it has been overshadowed by newer cartridges, such as the .17 HMR and the .22 WMR. These cartridges offer similar performance, but they are more affordable and more widely available. As a result, the 17 HM2 has become less popular.

✅ However, it is still a viable cartridge for small game hunting and target shooting. It offers excellent performance in terms of velocity, flat trajectory, and low recoil. If you are looking for a high-performance rimfire cartridge, it is still worth considering.

What is the difference between 17 HMR and 17HM2?

The 17 HMR and 17HM2 are both rimfire cartridges that were developed in the early 1990s for small game hunting and target shooting. They are both similar in terms of performance, but there are some key differences between the two cartridges.

➡️ 17 HMR

  • 🔶 Cartridge case: The cartridge case is based on the .22 Long Rifle Magnum case, which is larger and more powerful than the .22 Long Rifle case. This allows it to achieve higher velocities and deliver more energy to the target.
  • 🔶 Bullet weight: Typically uses bullets that weigh between 17 and 20 grains. This is lighter than the bullets used in the HM2, which typically weigh between 20 and 22 grains. The lighter bullets in the HMR give it a higher velocity, but they also have less energy.
  • 🔶 Velocity: Can achieve velocities of up to 2,500 feet per second (fps), while the HM2 typically reaches velocities of up to 2,100 fps. This gives the HMR a flatter trajectory and more energy at longer ranges.
  • 🔶 Recoil: Has slightly more recoil than the HM2. This is because the HMR cartridge is larger and more powerful. However, the recoil is still manageable for most shooters.

➡️ 17HM2

  • 🔶 Cartridge case: The cartridge case is based on the .22 Long Rifle Stinger case, which is smaller and less powerful than the .22 Long Rifle Magnum case. This makes it less expensive and more widely available than the HMR.
  • 🔶 Bullet weight: Typically uses bullets that weigh between 20 and 22 grains. This is heavier than the bullets used in the HMR, which typically weigh between 17 and 20 grains. The heavier bullets in the HM2 give it more energy, but they also have a lower velocity.
  • 🔶 Velocity: Can achieve velocities of up to 2,100 feet per second (fps), while the HMR typically reaches velocities of up to 2,500 fps. This gives the HMR a flatter trajectory and more energy at longer ranges.
  • 🔶 Recoil: Has less recoil than the HMR. This is because the HM2 cartridge is smaller and less powerful. However, the recoil is still manageable for most shooters.

🤔 Which cartridge is right for you?

👍 The best cartridge for you will depend on your specific needs and budget. If you are looking for the highest possible velocity and performance, then the 17 HMR is the better choice. However, if you are looking for a more affordable and widely available cartridge with less recoil, then the 17HM2 is a good option.

😉 Ultimately, the best way to decide which cartridge is right for you is to try both and see which one you prefer.

What is the ground speed of Mach 2?

🏎️ The ground speed of Mach 2 depends on the altitude of the aircraft. At sea level, Mach 2 is equal to 1,522 miles per hour (mph). However, the speed of sound decreases as altitude increases. At 35,000 feet, the speed of sound is about 967 miles per hour, so Mach 2 would be about 1,934 mph.

➡️ Here is a table of ground speeds for Mach 2 at different altitudes:

Altitude (feet) Ground Speed (mph)
✔️ Sea level 1,522
✔️ 10,000 feet 1,473
✔️ 20,000 feet 1,424
✔️ 30,000 feet 1,375
✔️ 35,000 feet 1,326
✔️ 40,000 feet 1,277

❗ It is important to note that these are just approximate values. The actual ground speed of Mach 2 will vary depending on the aircraft’s weight, configuration, and airspeed.

Conclusion 🏁

The .17 Hornady Mach 2 (HM2) is a unique rimfire cartridge that offers a blend of high velocity, flat trajectory, and low recoil, making it an ideal choice for small game hunting, target shooting, and plinking.

While it may not have reached the popularity of other rimfire cartridges like the .22 LR or .17 HMR, it still holds a special place among shooting enthusiasts. The cartridge’s design, based on the .22 LR Stinger case, allows it to achieve impressive speeds and accuracy, especially when paired with the right firearm.

Various brands offer them, each with its unique features and benefits. Whether you’re an experienced shooter or a novice, it provides a distinct shooting experience that combines performance with affordability. As with any ammunition, proper care, storage, and handling are essential to ensure its longevity and reliability. 😉

 

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RexSunrise
RexSunrise
7 months ago

The article was very informative, especially the part about the ground speed of Mach 2. Can someone explain how this relates to the ammunition itself?

    Dima
    7 months ago
    Reply to  RexSunrise

    ✅ Sure. The ground speed of Mach 2 is the speed at which an object travels over the ground, relative to the ground. This is different from the speed of the object in the air, which is called its airspeed. When an object is moving at supersonic speeds, such as Mach 2, the air in front of it is compressed and forms a shock wave. This shock wave can have a significant impact on the object’s aerodynamics, including its drag and lift.

    😎 For ammunition, the ground speed of Mach 2 can have a number of effects. First, it can increase the drag on the bullet, which can reduce its range. Second, it can cause the bullet to tumble or yaw, which can make it less accurate. Third, it can cause the bullet to heat up, which can weaken the metal and make it more likely to fragment.

    🔥 In order to minimize these effects, ammunition designed for use at supersonic speeds is typically made from lightweight materials, such as aluminum or titanium. It is also given a streamlined shape to reduce drag. In addition, the ammunition may be equipped with a base bleeder, which is a small hole in the base of the bullet that helps to stabilize it in flight.

      GiveupGiveup
      GiveupGiveup
      7 months ago

      The article mentions that the .17 HM2 is not dead but less popular. I’ve found it to be an excellent cartridge for plinking. Why do you think it’s overshadowed by newer cartridges?

        Dima
        7 months ago
        Reply to  GiveupGiveup

        The .17 HM2 is a great cartridge for plinking, but it has been overshadowed by newer cartridges for a few reasons.

        • 💰 Cost: It is relatively expensive, especially when compared to newer cartridges like the .17 HMR and .22 LR. This is due to the fact that the .17 HM2 is a relatively new cartridge and there is not as much competition in the market.
        • 🌐 Availability: It is not as widely available as some of the newer cartridges. This is because it is a less popular cartridge and there is not as much demand for it.
        • 🎯 Performance: It is not as accurate or as powerful as some of the newer cartridges. This is due to the fact that it is a smaller cartridge with less powder.

        Despite these drawbacks, it is still a great cartridge for plinking. It is accurate, quiet, and has very little recoil. If you are looking for an affordable and fun cartridge for plinking, it is a great option.

        ➡️ Here are some of the newer cartridges that have overshadowed:

        • .17 HMR: The .17 HMR is a newer cartridge that is more powerful and accurate than the .17 HM2. It is also more widely available and less expensive.
        • .22 LR: The .22 LR is a classic cartridge that is very affordable and easy to find. It is not as powerful as the .17 HM2, but it is still a great option for plinking.
        • .22 WMR: The .22 WMR is a bit more powerful than the .22 LR, but it is also more expensive. It is a good option for plinking if you want a little more power.

        Ultimately, the best cartridge for plinking depends on your individual needs and budget. If you are looking for an affordable and fun cartridge, the .17 HM2 is a great option. If you are looking for a more powerful and accurate cartridge, the .17 HMR or .22 WMR are better choices.

          NinjaVirus
          NinjaVirus
          7 months ago

          I see that the best barrel length for 17 Mach 2 is 18 inches. How does this affect the overall weight and balance of the rifle?

            Last edited 7 months ago by NinjaVirus
            Dima
            7 months ago
            Reply to  NinjaVirus

            ⭐ An 18-inch barrel is considered to be the best barrel length for the .17 HM2 cartridge because it provides a good balance of velocity and accuracy. A longer barrel will give the bullet more time to accelerate, which will result in a higher muzzle velocity. However, a longer barrel will also add weight to the rifle, which can make it more difficult to handle.

            ✅ An 18-inch barrel will add approximately 1 pound of weight to a rifle. This weight will be concentrated towards the front of the rifle, which can make it feel front-heavy. This can be compensated for by adding weight to the rear of the rifle, such as by using a heavier stock or a bipod.

            ⚖️ The balance of a rifle is important for both accuracy and comfort. A well-balanced rifle will be easier to hold steady and aim, which will result in more accurate shots. An unbalanced rifle can be difficult to hold steady, which can lead to missed shots.

            🚀 The best way to determine if an 18-inch barrel is the right length for you is to try it out on a few different rifles. See how it feels and how it shoots. If you find that it is too front-heavy, you can try adding weight to the rear of the rifle. If you find that it is too light, you can try adding a heavier barrel.

            😎 Ultimately, the best barrel length for you depends on your individual needs and preferences. If you are looking for maximum accuracy, an 18-inch barrel is a good option. However, if you are looking for a more lightweight rifle, you may want to consider a shorter barrel.

              WarWorld
              WarWorld
              7 months ago

              The comparison between 17 HMR and 17HM2 was insightful. It cleared up some confusion I had about these two cartridges.

                BoyDrake
                BoyDrake
                7 months ago

                I found the guidelines for maintaining and storing .17 HM2 very helpful. It’s essential to keep our ammunition in top condition.

                  GhostPhantom
                  GhostPhantom
                  7 months ago

                   I’ve been using .17 HM2 for varmint hunting, and it’s been incredibly effective. The accuracy and low recoil are exactly as described.