How many guns are in GTA4

There are 10 guns in GTA 4 you've got; MP5, Micro UZI, M4 carbine, AK-47, Desert Eagle, Glock 17, Semi automatic shotgun, pump-action shotgun, bolt-action sniper rifle, semi-automatic combat sniper rifle.
Then you've got grenades, Molotov cocktails, RPG (rocket propelled grenade)