"Little is known about what weapons we can expect to be in GTA V, although trailers and screenshots have provided some insight, showcasing several traditional GTA weapons along with some new ones

One of the most exciting discoveries is the apparent implementation of weapon customization. How this will work is still unknown and likely will be until the game is released. Glimpses from trailers and screenshots have shown weapons equipped with red-dot sights, flashlights, sound suppressors, and laser sights

Below you will find what we have managed to gather from the various forms of information we've received so far. While we have listed the names of the weapons we believe these GTA V weapons to be pronominally based upon, these GTA V weapons likely take inspiration from many and not just a single one. GTA V will have the largest number of weapons present in a GTA game to date"

[Melee Weapons] Baseball bat, golf club, tennis racket, baton
[Pistols] Beretta 92SB-F, Colt M1911, Glock 17/18
[Sub-Machine Guns] IMI Mini-Uzi, Heckler & Koch MP5A5
[Assault Rifles] Norinco Type 56 II, Colt AR-15 SBR, IMI Tavor TAR-21, MK 48
[Shotguns] Mossberg 590, Keltec KSG
[Heavy Weapons] M134 Minigun, RPG-7
[Explosives] Molotov cocktail, gasoline canister, C4, hand grenade