Resident Evil 5/Items and weapons

Throughout Resident Evil 5, you can upgrade or replace your weapons either by finding them in attache cases, or buying new ones between levels.

Unless otherwise stated, the infinite ammo bonus feature for each gun is unlocked for purchase by fully upgrading the weapon.

M93R
Unlocked by fully upgrading the M92F, the M93R can then be purchased for ₦30,000.

Ithaca M37
The most basic shotgun available, the Ithaca M37 can be found in a locked building in Chapter 1-2, or bought for ₦2000.

Hydra
Unlocked by fully upgrading the Ithaca M37 shotgun. The Hydra can then be purchased for ₦30,000.

S&W M500
Unlocked by fully upgrading the S&W M29 magnum, the S&W M500 can then be purchased for ₦30,000.

Grenades

 * Hand Grenade - Explodes a few seconds after being thrown, damaging all enemies nearby.
 * Incendiary Grenade - Explodes on impact, releasing a short burst of flames that will set nearby enemies on fire.
 * Flash Grenade - Explodes on impact, creating a bright flash that stuns enemies and kills certain parasites instantly.

Grenade Launcher
The grenade launcher can fire six different types of ammunition: explosive, acidic, nitrogen, flame, flash and electric.

Rocket Launcher
To unlock infinite ammo for the rocket launcher, complete the story in under five hours.

Gatling Gun
Unlocked by fully upgrade the VZ61 machine gun, the Gatling Gun can then be purchased for for ₦50,000.

Long Bow
Unlocked by fully upgrading the S75 rifle. The bow has infinite ammo by default and will kill most enemies with one shot, but has no laser sight.