When they say that the forgrip is designed for a mp5, trust them. I just installed it onto my mc51, and well, it didnt even come close to fitting. After cutting out a fair bit of the top opening, and internal plastic to make it fit around the receiver, I find that a large battery cant fit into it without taking around 1 inch out of the reciever. Not wanting to damage the gun itself, I cut a hole into the front of the grip, and make it so that the battery protudes out of it. THEN I had to add a bunch of hot glue on the inside of the grip so that it didnt wobble like mad. But then again, PART of that was due to the fact that I cut a little *too* much off. But, it would be necessary regardless. Oh the joys.
Well.. it fits, and looks just slightly odd, but it works well overall. I wouldn't personally recommend it if you have a MC51 however, but thats just my opinion. I don't quite know how it would fit onto a mp5, or if you would still have some of the same problems or not.
Lessons learned, sexy gun, lessons learned, sexy gun...
-dust
People love disregarding their talents. What they love even more is coveting other people's. Everyone wants to be a rockstar.
Except rockstars.
