Roblox - Advanced Gun Store System (free) Apr 2026

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.

Create a new regular inside ServerScriptService and name it Leaderstats . This handles the money players will use to buy weapons. Roblox - Advanced Gun Store System (FREE)

local ReplicatedStorage = game:GetService("ReplicatedStorage") local BuyWeaponEvent = ReplicatedStorage:WaitForChild("BuyWeapon") local WeaponCatalog = require(ReplicatedStorage.ShopItemData:WaitForChild("WeaponCatalog")) -- Example: Attaching the buy event to a specific button local shopFrame = script.Parent:WaitForChild("Frame") local buyButton = shopFrame:WaitForChild("BuyButton") local selectedWeapon = "Pistol" -- Dynamically change this when players select guns buyButton.MouseButton1Click:Connect(function() -- Request the server to handle the purchase BuyWeaponEvent:FireServer(selectedWeapon) end) Use code with caution. Copied to clipboard 🛡️ Step 5: The Secure Server Script Exploiters can easily manipulate local scripts to give

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 This handles the money players will use to buy weapons