Whatever, at 200 yards either 375 has more ftlbs than a 300 winmag at the muzzle! There is no reason to not shoot 400 yards with a 375 magnum. I use tactical style scopes/range finder/range time to be spot on (with all my rifles except black powder).
p.s I like Rugers to....but it's no Sako. Don't slam rifles you can't or don't want to afford.
http://www.midwayusa.com/viewProduct/?productNumber=970195