Finally, I got my system to work. Anyways here's what I put in.
1) World HP heals 100.
2) World AP heals 100.
3) World Ammo gives 8 clips.
4) HP/AP Medical Kit heals 100 HP + 100 AP.
5) Swear filter disabled.
6) Custom tips.
I've got all the things you need here.
Instructions
1) Extract the files.
2) Select the system.mrs, right-click>copy.
3) Load the injector. Add the CRC and Dark Destruction.
4) Launch Gunz. (Original files.) Let it update.
5) Click, 'Start Game,' and when it asks to make a Hash (Not included in this system, get it somewhere else.) Click, 'No' then replace the system.mrs buy going to (boot drive/ijji/ENGLISH/Gunz) And pasting my system there.
6) Click OK in the window that says, 'Replace the system.mrs then click OK,' and enjoy the hacks.