Im gonna get a new scope for my ruger m77 this year. Right now i got a simmons deerfield 4x12x40 on it. My main questoin is has anyone had experience with the nikon buckmaster with the BDC reticle? They claim that if you sight in at 100yrds the other markers are sighted in aswell up to 500yrds? How accurate does that sound to you? I know leaupold is the scope the go with, but wanted to know if anyone had any experience with the buckmasters more so the BDC reticle. I use a 7mm rem mag so was looking at the 4.5x14x40 not to limit the cartridge to a 3x9. Just any other input on your scope will also help....looking to spend under 400