Back in 1999, at the request of the U.S. Navy Black Hills began the process of developing the 5.56mm military precision round. Eventually, after extensive development and even more extensive field testing, that idea became the only one of its kind fielded and used with great efect by the greatest military in the world. Like the original, the new MK262 Mod1-C commercial round features the exact construction and performance specs of the U.S. Military round. It is now available in military ammo cans containing 460 rounds in 20 round cartons. And in the spirit of pushing limits, these rounds come with the same no-nonsense lot acceptance accuracy test (10 groups of ten shots each at Mfg: Black Hills Ammunition