Ammunition, the projectiles and propelling prices used in small arms, artillery, along with other guns. Ammunition sizing is often expressed in terms of calibre, that's the diameter on the projectile as measured in millimetres or inches. Normally, projectiles significantly less than 20 mm or .60 inch in diameter are classified https://andersonufuny.thezenweb.com/5-easy-facts-about-ammunition-depot-russia-described-68950777