I have one of the first Senderos built, made when they came out of Remingtons custom shop. It is a 300 RUM, and is without a doubt THE MOST accurate factory built rifle I have ever shot. At 100 yards you will think you only hit the target once, the rest go in the same hole. I have shot some 1000 yard ranges with this rifle, it is very competitive with some of the high dollar customs I have been arround. As far as the late model Senderos, I dont know, they are production guns that are not built by the custom shop, but I would imagine that Remington has made sure that they live up to the standards set by the original Senderos.