Looks pretty sweet!

Here are some more web articles of the rifle.

http://www.impactguns.com/store/S-556.html

http://michaelbane.blogspot.com/2006/02/sig-556-rifle.html

http://www.the-armory.com/shopsite_sc/store/html/sigarms556.html

http://sigforum.com/groupee/forums/a/tpc/f/630601935/m/722107584

However, there are no reviews from people who have actually fired one. You might want to wait until we have some good field results on accuracy, reliability, and power before you plop down thirteen hundred dollars.

Sig makes an awesome rifle