What are all the unlockable guns for Resident Evil 5

M93R --- Handgun that is kind of like the Matilda from RE4 (Fully Upgrade M92F to unlock)

Gattling Gun ---- Mini Gun only usable by only Chris (Fully Upgrade VZ61 to unlock)

Longbow ---- A longbow which is very strong but hard to aim usable by only Sheva
(Fully Upgrade S75 to unlock)

Hydra ---- Which is a 3 barrel shotgun (Fully Upgrade Ithaca M37 to unlock)

S&W M500 Magnum ---- Which is basically the Handcannon from RE4.
(Fully Upgrade S&W M29 Magnum to unlock)