How to Get Heavy Weapons
Follow these simple steps;
-Pause the game.
-Select the “Cheats List” option, and choose to enter cheat codes.
-Enter “Greed is American Virtue” as a code to unlock the Pump-Action Shotgun, Bolt Action Rifle, Mauser Pistol, and Semi-Automatic Pistol.
-Note: Before this code can be activated, you must purchase a Lamoyne newspaper after completing the “Advertising, The New American Art” mission (Chapter 3).