Mechanical malfunction of some sort
ni-cd 2/3aa 350mah 8.4v
in general 180 $ is the minimum for a reliable rifle.
Try oiling of the gearbox.
No. No license is required.
It depends completly on which scope and which airsoft gun. Some may work well and others may just be for show.
Contact the maker to see if it is possible and what it will cost.
300 fps or 320
A rail interface system or a mount on the top
Less than 100 to 500 or so
I hate to answer a question with a question but, can you be more specific?
Most guns come in black.
375 FPS