on my Remington M700 BDL Mountain rifle chambered for .308 win, I have a simmons 44mag 3-10x44mm on it, this setup has killed 9 deer ranging from 20 yards to over 300 yards. The scope has never given me any problems. the funny thing is when i bought that scope I was looking at it and a leupold vx-1 2-7x32mm both scopes were roughly the same price, I picked the simmons over the leupold because the simmons had a much crisper picture. though the leupold had a better name I think that particular simmons scope is actually better then that particular leupold.