Is the FN 5 7 round more effective for self defense than the 9mm round?

Question

I've been doing some research on self-defense ammunition and came across the FN 5.7 round and the 9mm round. I’m curious about their effectiveness in self-defense situations. Is the FN 5 7 round more effective for self defense than the 9mm round? I’d also like to know about their stopping power, penetration, and any other factors that might influence my decision.

Raina Scott · Accepted Answer

When comparing the FN 5.7 round to the 9mm round for self-defense, several factors come into play: Stopping Power: The 9mm round is widely recognized for its stopping power, which is crucial in self-defense scenarios. It typically delivers a heavier bullet (around 115-147 grains) that can create a significant wound channel. In contrast, the FN 5.7 round, which is lighter (around 28 grains), relies on its high velocity to achieve effective terminal performance. While it can penetrate armor, its lighter weight may result in less immediate stopping power compared to the 9mm. Penetration: The FN 5.7 round is designed to penetrate barriers effectively, making it suitable for situations where you might need to shoot through clothing or light cover. The 9mm, while also capable of penetration, may not perform as well against hard targets. However, for most self-defense scenarios, the 9mm's performance against human targets is generally considered adequate. Recoil and Control: The FN 5.7 round has significantly less recoil compared to the 9mm, allowing for quicker follow-up shots. This can be an advantage in high-stress situations where accuracy is paramount. The 9mm, while manageable, can be more challenging for some shooters, especially those who are less experienced. Availability and Cost: The 9mm round is one of the most popular and widely available ammunition types, making it easier to find and often more affordable. The FN 5.7 round, while gaining popularity, may not be as readily available and can be more expensive, which is an important consideration for regular training and practice. Personal Preference: Ultimately, the choice between the FN 5.7 and the 9mm may come down to personal preference and comfort with the firearm. Some shooters may prefer the FN 5.7 for its unique characteristics and lower recoil, while others may feel more confident with the proven performance of the 9mm. In summary, while the FN 5.7 round offers advantages in penetration and recoil control, the 9mm round is often favored for its stopping power and widespread availability. It's essential to consider your specific self-defense needs, practice regularly with your chosen caliber, and ensure you are comfortable and proficient with your firearm.