^^ its usefuless
anyway i've put some option parts on arm mount
and it's usefuless also
Stock is good enough sometimes man...
but the arm mount is aluminmum, they wouldn't brake and the holes won't wear off by the pin (sc4x4 alu mounts don't use plastic cap if my memories was right). My stock one has broken after playing for 6-7 months.
Is a good choice if you are going to keep it for a while.