Pakistan Army has decided in all its wisdom to buy the chinese sights over all others.
These sights are not in service anywhere in the world, only Pakistan Army will have this untried, untested piece of equipment.
These are to be supplied with fake UTG quad rails ( the real ones are made...
In fact the only user of the P90 in Pakistan is PAF SSW, they have both the standard and tactical versions. They are used for VVIP Protection along with the Five Seven Pistol