You know people are going to want a link to this info. So here is the best that I could find. It does show the 15 22 in the center of the picture on the right and lists it as "best in class rifle '10"
Smith & Wesson's $569 M&P 15-22 performed flawlessly throughout our tests. Its tactical handrail and full-length top rail provided all the facility we needed to train with the latest tactical equipment—shown here with an Insight Technology MRDS red dot scope.The MRDS proved much faster and more accurate than other larger scopes. The long rail allowed us to mount it forward without using a riser