This is a 75mm double barreled beam rifel. THe OP_002 was designed to fit most large to X-Large sizw soids wiht a back part mount such as the Zaber fang, command wolf and salamnder. The OP-002 has a cockpit wiht canopy to allow a second piolt top control it on larger zoids such as the Salamander.
the OP-002 is made with d-bision and command wolf parts and hmm command wolf parts
this shows it a before and after of it mounted to a ojr and brad command wolf