MTM’s Case-Gard P-100 series offers the perfect ammo carriers for the handgunner at the range. Each box holds 100 rounds, safeguarding from moisture and dust. It is ideal for storing reloads and is stackable. The textured box has an easy to grip, scuff-resistant surface, a Snap-Lok latch and durable, mechanical hinge. Each P-100 is supplied with a load label for recording custom loads. Made in the USA. Calibers- 1.88″ In bullet DOWN only: 38 Short, 38 S&W Bullet UP or Down For: 9mm Luger, 380 ACP, 30 Luger, 32 S&W, 9mm Makarov.