plr = game.Players.LocalPlayer;
repeat wait() until plr.Character
char = plr.Character
m = plr:GetMouse()
game["Run Service"].RenderStepped:connect(function()
    local c = game.Workspace.CurrentCamera
    char.RightUpperArm["RightShoulder"].C0 = CFrame.new(1.25,0.60,0) * CFrame.Angles(-math.asin((m.Origin.p - m.Hit.p).unit.y),0,0)
    char.LeftUpperArm["LeftShoulder"].C0 = CFrame.new(-1.25,0.60,0) * CFrame.Angles(-math.asin((m.Origin.p - m.Hit.p).unit.y),0,0)
end)