I have 2 Athlon Argos 6x24x50 scopes. They track well and the glass is decent. But both have had to go back for warranty work because on both the side focus stopped working. Both scopes were replaced with a new unit. Has anyone else had issues with their Argos? I need to buy new scope for my ruger predator. My budget is $350 for the new scope but have had issues with the Argos has me looking for a replacement. Should I take a chance on a third Argos or just buy a swfa ss 10x42?