im currently looking at either the vortex viper hs lr in 4-16x50mm and the 4-16x44 version, cameraland has the 50mm for 499.99 and the 44mm for 399.99, just wondering if it is worth it for the extra 6mm of objective. also this will be on a remington 700 sps varmint in .243. i would like to keep the scope cost under 500 if i can, and around the 4-16x range. can go to $600 if needed. i think i want a 30mm tube also.