Ice

game:GetService("StarterGui"):SetCore("SendNotification",{
                Title = "Notification",
                Text = "Gun Color Has Been Changed, If not, Stop Holding Guns. Then Execute again",
                Duration = 15,
            })
for i,v in pairs(game:GetService("Players").LocalPlayer.Backpack:GetChildren()) do
            if v:IsA'Tool' and v:FindFirstChild'Ammo' or v:FindFirstChild'MaxAmmo' then
                for _,Part in pairs(v:GetDescendants()) do
                    if Part:IsA'UnionOperation' or Part:IsA'Part' or Part:IsA'MeshPart' then
                        if Part:IsA'UnionOperation' then
                            Part.UsePartColor = true
                        end
                        Part.Material = "Ice"
                    end
                end
            end
end