Colt Mark IV Series 80 Government .380 Auto at the range. Why ammo testing is important!
This guide details a practical approach to testing ammunition for the Colt Mark IV Series 80 Government .380 Auto. It emphasizes the importance of identifying reliable ammunition for self-defense by systematically testing various brands and bullet types, noting malfunctions, and understanding potential causes. The instructor, demonstrating experienced authority, highlights that firearms can be ammo-sensitive and that thorough testing is non-negotiable.











