Choosing the right cartridge can significantly impact your shooting experience. Both the .17 HMR and the 5.7x28mm are popular choices, but they cater to different needs and applications. This detailed comparison will help you understand the strengths and weaknesses of each, making your decision easier.
Caliber Overview: .17 HMR vs. 5.7x28mm
The .17 HMR (Hornady Magnum Rimfire) is a high-velocity rimfire cartridge known for its accuracy and flat trajectory at longer ranges compared to other rimfire rounds. It's a favorite among varmint hunters and target shooters.
The 5.7x28mm is a centerfire cartridge, significantly more powerful than the .17 HMR. Developed by FN Herstal, it's designed for personal defense and military applications, known for its high velocity, flat trajectory, and ability to penetrate body armor.
Key Differences: A Head-to-Head Comparison
| Feature | .17 HMR | 5.7x28mm |
|---|---|---|
| Type | Rimfire | Centerfire |
| Power | Relatively low | High |
| Velocity | High for a rimfire, around 2550 fps | Very high, typically over 2800 fps |
| Recoil | Very low | Moderate |
| Cost per round | Relatively inexpensive | More expensive |
| Range | Moderate, effective up to 200 yards | Longer effective range, exceeding 200 yards |
| Applications | Varmint hunting, target shooting | Personal defense, military applications |
| Penetration | Limited | High, potentially armor-piercing |
| Availability | Widely available | More restricted in some regions |
.17 HMR: Advantages and Disadvantages
Advantages:
- High accuracy: The .17 HMR is renowned for its accuracy at longer ranges for a rimfire cartridge.
- Low recoil: Its low recoil makes it ideal for new shooters or those seeking a less punishing shooting experience.
- Affordable: Ammunition is relatively inexpensive compared to centerfire options.
- Lightweight: Makes it easier to carry for extended periods.
Disadvantages:
- Limited power: Not suitable for larger game hunting or self-defense situations.
- Shorter effective range: Compared to the 5.7x28mm, its effective range is shorter.
- Rimfire limitations: Prone to misfires and variations in accuracy due to the rimfire design.
5.7x28mm: Advantages and Disadvantages
Advantages:
- High velocity and flat trajectory: Provides excellent accuracy and range.
- Significant stopping power: Offers superior stopping power compared to the .17 HMR, effective for personal defense.
- Armor piercing capabilities: Certain 5.7x28mm rounds are designed to penetrate body armor.
- Superior penetration: Delivers higher penetration than the .17 HMR.
Disadvantages:
- Higher cost: Ammunition is more expensive than .17 HMR.
- Higher recoil: Although manageable, recoil is more noticeable than the .17 HMR.
- Regulation and availability: May be subject to more stringent regulations depending on location.
Conclusion: Choosing the Right Cartridge
The best choice between the .17 HMR and 5.7x28mm depends entirely on your intended use. The .17 HMR excels as a varmint hunting and target shooting round, offering high accuracy and low recoil at a reasonable price. The 5.7x28mm, on the other hand, is a powerful and versatile round best suited for personal defense and situations requiring higher stopping power and penetration. Consider your priorities and intended application before making your decision. This comparison provides a starting point for further research and allows you to make an informed choice.
