MTM originated the 100 round flip-top handgun ammo boxes over 30 years ago. The Case-Gard P-100's are the perfect ammo carrier for the handgunner who wants to spend several hours at the range. Ideal for storing reloads. They have an easy to grip, scuff-resistant textured surface and are stackable. The Snap-Lok latch and full length mechanical hinge are guaranteed for 25 years. Calibers for each box our listed on the bottom of each box. Load label included. All MTMCase-Gard's are MADE IN USA in their factory in Dayton Ohio.