The weapons display on Ammu-Nation has been changed. Three additional weapons were added to the game: the first one is unlocked after a required step in the Casino Heist, the second one unlocked as a reward for solving the ' Los Santos Slasher' mystery and is part of the Red Dead Redemption 2 unlockables and a jerry can filled with chemicals only available during the heist preparation mission Heist Prep: Maintenance Gear Part 2.Ī pistol mainly based on the Heckler & Koch P7.Ī revolver based on the Colt 1851 Navy Revolver and the 1847 Colt Walker. Destroying them all will unlock Avi Schwartzman as a Support Crew Member in The Diamond Casino Heist. Destroying them will reward the player with Cash and RP.50 Signal Jammers have been added to find throughout the map.Six new Player Actions have been added:.Over 230 clothing items, 110 outfits, and 103 masks have been added.Main article: GTA Online: The Diamond Casino Heist/Character Customization