Silent Hill: Downpour
The following weapons are seen in the video game Silent Hill: Downpour:
The "Colt" as called in-game appears to be based off the Colt Defender although it has an extended barrel, slide, and frame. It is a common firearm used by Murphy Pendleton and Anne Cunningham. The standard version comes with a gray finish and a bonus version with a gold finish can be obtained by finishing a side quest.
The Ithaca 37 is used by Murphy Pendleton and police officers.
Pre-Order Code Guns
One thing to note is that the pre-order codes work with all versions of the game, and as these can all be found on various websites, anyone with the game can access these pre-order code guns.
IMI Desert Eagle Mark I
The first appearance of the Desert Eagle in the Silent Hill series, it is erroneously referred to in-game as a ".45 Pistol" and is only available from certain in-game green lockers if a pre-order code is entered. Like the Colt Defender, it too has a 7 round capacity and (erroneously) uses the same ammunition despite doing slightly more damage.
Winchester Model 1894
The rifle appears to be a lever-action Winchester Model 1894 and it is the most powerful gun in the game. It holds 10 rounds, but ammunition for it only spawns once the code for the rifle has been entered.
A Colt Python is held by George Sewell in a flashback where he talks to Murphy Pendleton. It can never be used by the player.