America's favorite caliber ammo boxes. What better way to store & protect bulk ammo than with MTM Ammo boxes sealed tight inside an MTM Ammo Can? Our ammo cans come with a water resistant O-Ring seal. MTM Ammo Cans are water-resistant not water proofACC9 - 1ea AC50 + 10 ea. P-100-9's in tactical black (Holds 1000 Rounds) P-100-9's hold: 9MM Luger, 9MM Makarov, 32 S&W, 38 Short, 380 ACP, 30 Luger, 9x21MM