OP SCRIPT (still works)

local replicatedStorage = game:GetService("ReplicatedStorage")
local weaponRemote = replicatedStorage["E&F"].Weapon.BuyWeaponRE 

if not weaponRemote then
    warn("Remote not found!")
    return
end

local idsToTest = {1001, 1004, 1007, 1008, 1005, 1002, 1003, 1006} 

for _, id in ipairs(idsToTest) do
    print("Firing with ID:", id)
    weaponRemote:FireServer(id)
    wait(1) 
end