Don't own a S&B but have the other two. For the 6.5 creedmoor go with the razor you will love it, I have one on my Sawtooth custom ruger persision.Save the atacr for a long distance gun. I mean a Big Bore gun . I have that on my 338-378 weatherby accumark in a bell&carlson tactical medalist stock . The Atacr is flat out Badass