The codes should work with the region specified but may work for other regions as well.
Device Compatibility: Action Replay, CodeBreaker & GameShark
Have Grenade Launcher
8007ab3c010f
Have Machinegun
8007ab2c010a
Have Railgun
8007ab6c010c
Have Rocket Launcher
8007ab4c0110
Infinite Grenades
800832ac0020
Infinite Machinegun Ammo
8008316c0fff
Infinite Missiles
800833440020
Infinite Railgun Ammo
800834460020
Lasers Never Overheat
800837400000
Infinite Armor
8008323a0004
800835f4003f