Everdox pointed this out the other day, so I am going to post it. Its really easy to do They must be on drugs or something b/c things like this should have server side checks.
How To:
1) Open CE
2) Search for the number of bullets you have.
Fire some off and search again
3)Click the address, it should pop down
4)Right click the address and click Find What is Writing to this address.... or something..
5)A new window will pop up, fire your guy in game again
6)An address will pop up in the new window
7)Click Show disassembler
Right click the line and nop it out
See video for steps