[Konstantinos]

I don't want to be rude but many of your questions can already be answered by just testing it - it won't take more than 5 minutes.

The wiki also answers it (in example script): https://sampwiki.blast.hk/wiki/SetPlayerAmmo

Код:

SetPlayerAmmo(playerid, WEAPON_SHOTGUN, 100); // Set ammo of Shotgun to 100 bullets