Just recently bought a m&p10 and I just love this thing.
Here is a short clip of me shooting. Its only got a magpul ctr stock and a nikon m308 scope on it right now. I used 155 gr hornady match steel and runs great. Ate 200 rounds so far no problem.
M&P 10 shooting 460 yards - YouTube

M&P 10 shooting 460 yards - YouTube