So now all you will need is moveable objects or for mappers to leave a chair by every window. While precariously balancing on a chair with a 2m long gun may with help of an assistant be feasible but it's still a ludicrously dangerous thing to do. I suppose this gets onto another point. I hope the PTRS requires an assistant to help move the thing around.
I hope the PTRS requires an assistant to help move the thing around.