MTM's P-50 series features a flip-top lid and is molded to hold 50 rounds of ammo in a neat 5x10 grid. These ammo boxes have a textured surface for gripping and a grooved lid designed to for easy stacking. Choose from five sizes in multiple colors. Each box is supplied with a load label for at-a-glance organization. Made in the USA. Calibers: 357 Rem. Mag., 25-20 Win, 30 Mauser, 32-20 Win, 327 Fed. Mag., 35 Win. S.L., 38 Spec., 38 Auto Colt, 38 Super, 38 Short Colt, 5.7x28 FN, 7.62x25 Tokarev, 9x23 Win.