What with haenels, vzs, and lately a .177 Giffard I have become a little more obsessed with balls than is heathy. Specifically German balls.

Why are there so many lead balls available in Germany, in such a range of fractionally different sizes? I’ve used number 9 (4.4) for haenels etc for some time, I have some number 10 (4.46) for vzs, but have recently discovered everything from number 7 (4.3) to number 12 (4.61). What are they doing with all these? I know they like their gallery guns but why all the different sized ammo?