What results from using incorrect cartridge caliber?

• A. Increased accuracy
• B. Malfunctions, damage, or injury
• C. Softer recoil
• D. Longer range

Answer: (B)

Using ammunition that doesn’t match the firearm’s caliber creates a safety risk because the chamber, bore, and action are built for a specific cartridge. When the wrong caliber is used, the round may not seat or seal properly, which can lead to dangerous overpressure or a failure to chamber and cycle. This can cause malfunctions, damage to the firearm, and potential injury to the shooter or bystanders from ruptured parts or escaping gas. The idea that incorrect caliber could improve accuracy, reduce recoil, or extend range isn’t supported by how firearms are designed—the mismatch disrupts the weapon’s normal operation. Always confirm you’re using the exact caliber specified for the firearm and inspect ammo before loading.