If you have a carbine with an A1 rear sight, replace the aperture with an A2 aperture. This way you have a standard (small hole) and a quick CQB ghost ring. [Instructions on swapping them]
Linky no worky.
Any help? do I have to join to view?
Forest had to pull some stuff off to make room.
I'll let him know about this - it *might* be something he had to pull