Roblox - Advanced Gun Store System (free) May 2026

game.Players.PlayerAdded:Connect(function(player) local leaderstats = Instance.new("Folder") leaderstats.Name = "leaderstats" leaderstats.Parent = player local cash = Instance.new("IntValue") cash.Name = "Cash" cash.Value = 5000 -- Starting cash for testing cash.Parent = leaderstats end) Use code with caution. Copied to clipboard 📄 Step 3: Weapon Data Module

local ReplicatedStorage = game:GetService("ReplicatedStorage") local ServerStorage = game:GetService("ServerStorage") local BuyWeaponEvent = ReplicatedStorage:WaitForChild("BuyWeapon") local WeaponCatalog = require(ReplicatedStorage.ShopItemData.WeaponCatalog) -- Listening for the client to ask to buy a weapon BuyWeaponEvent.OnServerEvent:Connect(function(player, weaponName) local weaponData = WeaponCatalog[weaponName] -- 1. Verify the item actually exists in our data if not weaponData then return end local cash = player.leaderstats.Cash local price = weaponData.Price -- 2. Verify the player has enough money (Server-side sanity check) if cash.Value >= price then local sourceGun = ServerStorage.ShopWeapons:FindFirstChild(weaponName) if sourceGun then -- Deduct the cash cash.Value = cash.Value - price -- Clone the tool and put it in the player's backpack local newGun = sourceGun:Clone() newGun.Parent = player.Backpack print(player.Name .. " successfully purchased a " .. weaponName) else warn("Gun model not found in ServerStorage: " .. weaponName) end else warn(player.Name .. " does not have enough cash.") end end) Use code with caution. Copied to clipboard 🎯 System Highlights Roblox - Advanced Gun Store System (FREE)

Exploiters can easily manipulate local scripts to give themselves free items. To prevent this, the actual deduction of cash and awarding of the gun happen on the server. Verify the player has enough money (Server-side sanity

Create a regular in ServerScriptService and name it ShopServer . weaponName) end else warn(player

Inside your , create a LocalScript and name it ShopController . This handles the visual clicking of buttons on the player's screen and relays the buy request to the server.

To make your system easily expandable without duplicating UI code, you will use a ModuleScript . Create a inside ReplicatedStorage > ShopItemData and name it WeaponCatalog .

Before writing any code, set up these folders in your Roblox Studio window to ensure everything links properly: 📂 ServerStorage 📂 ShopWeapons (Place your actual Gun Tools here) 📂 ReplicatedStorage