GTA 5 Casino Heist Weapons Locations: Full 2026 Guide
Master GTA 5 casino heist weapons locations in 2026's Online Diamond Casino Heist. Equip the best gear for Classic, Silent, or Big Con approaches to maximize payouts.
From Railgun to untraceable weapons, find every hidden locker and upgrade. Our updated guide includes maps, prep missions, and tips post-2026 patches.
Essential Weapons for Casino Heist
Stock up on these for elite difficulty. Focus on suppressors and high damage.
- Combat PDW: High fire rate.
- Heavy Rifle: Armor piercing.
- Tactical SMG: Close quarters.
- Pump Shotgun: Door breaching.
- Railgun: EMP-proof.
All Weapons Locker Locations
Precise maps for 8 hidden spots. Complete prep to unlock.
- Union Depository: East vault.
- LSIA: Hangar B.
- Scrapyard: Office safe.
- Gunrunning Bunker: Armory.
- Kosatka Sub: Weapon workshop.
- Agency Armory: CEO office.
- Arcade Safe: Back room.
- Nightclub: Basement.
Prep Missions for Weapon Upgrades
Steal advanced gear during setups. Silent approach needs thermal charges.
- Unmarked Weapons: Truck hijack.
- Signal Jammers: Disable hacks.
- Vault Contents: Scope contents.
- Nano Drones: Recon tool.
- High Roller: VIP disguise.
Best Loadouts by Heist Approach
Tailor weapons to strategy. Big Con favors stealth, Aggressive loves shotguns.
- Classic: Sniper + SMG.
- Silent & Sneaky: Suppressed pistols.
- Big Con: Grappel gun.
- Aggressive: Explosives.