5.7x28 vs. 9x19

Attribute	5.7x28	9x19
Caliber	5.7mm	9mm
Case Length	28mm	19mm
Velocity	SS190: 716 m/s	124 grain: 360 m/s
Energy	SS190: 534 J	124 grain: 518 J
Magazine Capacity	20-50 rounds	10-20 rounds

Introduction

When it comes to choosing the right ammunition for your firearm, there are a variety of factors to consider. Two popular choices for handguns are the 5.7x28 and 9x19 cartridges. Both have their own unique attributes that make them suitable for different purposes. In this article, we will compare the characteristics of these two types of ammunition to help you make an informed decision.

Size and Caliber

The 5.7x28 cartridge is known for its smaller size and caliber compared to the 9x19. The 5.7x28 has a bullet diameter of 5.7mm, while the 9x19 has a bullet diameter of 9mm. This size difference can impact factors such as recoil, magazine capacity, and overall firearm size. The smaller size of the 5.7x28 can make it easier to handle for shooters with smaller hands, while the larger size of the 9x19 may provide more stopping power.

Velocity and Energy

One of the key differences between the 5.7x28 and 9x19 cartridges is their velocity and energy. The 5.7x28 is known for its high velocity, with some loads reaching speeds of over 2,000 feet per second. This high velocity can result in greater energy transfer upon impact, making it effective for self-defense and hunting. On the other hand, the 9x19 typically has lower velocity but higher energy due to its larger bullet size. This can result in deeper penetration and more stopping power.

Accuracy and Recoil

When it comes to accuracy, both the 5.7x28 and 9x19 cartridges have their strengths. The 5.7x28 is known for its flat trajectory and minimal recoil, making it easier to shoot accurately at longer distances. This can be beneficial for target shooting and competition. On the other hand, the 9x19 may have slightly more recoil due to its larger bullet size, but it can still be accurate with proper training and technique. The choice between the two will ultimately depend on the shooter's preferences and intended use.

Availability and Cost

Another factor to consider when comparing the 5.7x28 and 9x19 cartridges is their availability and cost. The 9x19 is one of the most popular handgun cartridges in the world, making it widely available and relatively affordable. This can make it a practical choice for shooters who want a reliable and cost-effective option. On the other hand, the 5.7x28 is less common and may be more expensive to purchase. However, some shooters may be willing to pay a premium for the unique characteristics of the 5.7x28.

Terminal Ballistics

Terminal ballistics refers to how a bullet behaves upon impact with a target. The 5.7x28 and 9x19 cartridges have different terminal ballistics due to their size and velocity. The 5.7x28 is known for its ability to tumble upon impact, causing significant tissue damage. This can be effective for self-defense situations where stopping power is crucial. On the other hand, the 9x19 is known for its ability to penetrate deeply into a target, making it effective for law enforcement and military applications where barrier penetration is important.

Conclusion

In conclusion, the 5.7x28 and 9x19 cartridges each have their own unique attributes that make them suitable for different purposes. The 5.7x28 is known for its smaller size, high velocity, and minimal recoil, making it a popular choice for self-defense and hunting. On the other hand, the 9x19 is widely available, affordable, and offers greater stopping power due to its larger bullet size. Ultimately, the choice between the two will depend on the shooter's preferences, intended use, and budget.