look,did you followed the steps?if you did ,you dont have any problem,if u dont know how to do it,follow this steps:
1.go in ava to shop,meele section click buy reddduck for 1 day DONT BUY
2.search for 2343 in CE
3.cancel and repeat step 1 but buy it for 15 days,DONT BUY
4.look 2345
5.repeat step 1
6.look for 2343 again
7.you get one address
8.change the value of the address to a gun adder code and buy
9.DONE!!!!!ENJOY HACKING