The Western Revolver is an long silver gun with only six rounds.
In Dino Crisis Remake Edit
In the remake of the original Dino Crisis the revolver is Jacob's main weapon.
In Dino Crisis 2 RemakeEdit
In Dino Crisis 2 Remake the revolver has similer looks as in Dino Crisis Remake but it can be modified in the shop with seven or eight rounds and after completing the game with any rank or time you can unlock unlimited ammo for it and the other guns.