During these days of high volume reloading and bulk ammo storage, MTM brings out a new stackable, 200 round ammo box series. Each size provides a sturdy 200 round base with two flip-top lids covering 100 rds. each. Features a strong snap latch secures each cover, reliable mechanical hinges, stable, multi-stack design and comes with load label. Made in USA. Fits calibers OAL 1.30" 45 ACP, 10mm, 32 NAA, 357 Sig., 38 Casull, 40 S&W, 400 Cor-Bon, 41 Act. Exp., 44 Auto Mag., 45 Auto Rim., 45 GAP, 8mm Nanbu.