Matrix Nitro Vo. Type Rail Interface System for P90 Series Airsoft AEG

"this thing is rvally good. nothing wrong with it. but the only con I have is that it comes in A MILLION DIFFeReNT PeICeS AND SCReWS!!!!! but if u don't mind assemblying it and you want more ris on your p90 this product is for you.

"The product itself is good. One isngle unit of good quality. Paint seems to come off a little easy but thats a easy fix.

The trouble is in its fitting. While it seems to fit fine on a TM P90 receiver it does not on an Echo1. Having just picked up a Echo1 reciever for its trail rail as my TM had a built in red dot of suck, I then attempted to install this. It took me seven hours of filing and dremmeling the attachments down to fit. Even then I had to bend then hammer back into shape the attachment wings of the rail unit itself.

Keep this in mind when buying.