Lake City Ammo is commonly available on the civilian market.
If the military does not buy the full amount the manufacturer is required to make available, the surplus is sold to civilians via a bunch of retailers. This is nothing new, and merely guarantees a supply of ammo to civilians, too, which is up to spec. I have fired Lake City Ammo, and never had a problem with it, essentially the same result I have had with Remington, Winchester, Federal, CCI Blazer, and other commercially available brands. It is what it is, relatively inexpensive 'ball' (full metal jacket) ammo with no special expansion capabilities that is good for target shooting.
If you want 'deadlier' bullets (with controlled/high expansion, which are banned in warfare by the Hauge Convention of 1899) or differing weights and styles of bullet from that which is used by the military, then either buy what you want on the commercial (hunting, usually) market, or load your own.