Beretta 92FS

Rebecca Chambers and the members of S.T.A.R.S. Bravo team carry customized Beretta 92FS.

Army Hand Gun

Billy Cohen uses this handgun. It's a 9mm, holds 15 rounds and is apparently standard issue for US Army.

(Can someone identify this one, please?)

Found on the train.

"A shotgun used for hunting. There's a design carved on the barrel. This model can only be loaded with 2 shells."

Found in the mansion.

Remington 870 12 gauge

Unlocked after beating the game. Not sure what this one is. A modified MP5, maybe?

"A small sub-machine. It uses it's own type of ammo magazine."

The Grenade Launcher resembles a Arwen 37

Arwen 37 37mm

"A large grenade launcher featuring a revolver-style chamber."