All I know is the 1903 Colt was a .32 and I think about 08 they came out with the .380cal. They went out of production around the end of WWII. Then they came out with the Colt Govenment .380 in the 80's and they went out of production about 1994. I have one of these. Great little gun.
Some of the socialist leaning countries of europe you can't have military ammo.