Hate to do this. No trades $400 firm. KAC no longer makes the 3t. This one has a low round count on it and looked new until I put about a 100 rounds on it through an nt4 suppressor. Does have the normal marks on the wrench flats from installing and removing.
20150613_192633-01 by T B, on Flickr
20150624_200738_resized by T B, on Flickr
20150624_200709_resized by T B, on Flickr
20150624_200657_resized by T B, on Flickr
20150624_200636_resized by T B, on Flickr