Quick Answer
For everyday concealed defense, carry enough rounds for a high-probability stop, typically 6-8 rounds in a sidearm with a reliable magazine capacity. If your sidearm holds more than 8 rounds, aim for 8-10. For smaller sidearms, 6 rounds is a reasonable minimum.
Determining Your Carry Capacity
When determining your carry capacity, consider the type of self-defense situations you’re likely to encounter. For most people, a single encounter with a single attacker is the most probable scenario. In this case, 6-8 rounds should be sufficient to achieve a high-probability stop, assuming 1-2 shots to center mass and 1-2 follow-up shots if necessary.
Choosing the Right Caliber
The caliber you choose will also impact your carry capacity. A higher-caliber round may require fewer shots to achieve a stop, but may also reduce magazine capacity. For example, a .45 ACP round with 9x19mm ballistics may require only 5-6 shots to achieve a stop, while a 9x19mm round may require 7-8 shots. Consider the trade-offs between caliber and magazine capacity when choosing your sidearm.
Managing Your Magazine Capacity
To maximize your magazine capacity, use a magazine with a high capacity and a reliable feed system. Consider a magazine with a capacity of at least 8 rounds, and look for magazines with a reliable feed system that can handle a high volume of rounds. When carrying, always carry a spare magazine with you, and consider a magazine pouch or holder to keep your spare magazine easily accessible.
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