well what is the trick is : you have to activate the trainer after the memory changes, if you do it before it doesent work. then it writes over the other adresses and the game should crash, when you join a server pick a gun and press activate on the trainer. now leave the server and rejoin, now go to the vc team as a sniper and the Dragunov is changed with more bullets and holds more ammo, i tested it with some other ppl and they dident had any trouble