just put the same scope but in a 50mm objective on a sendero 300 win mag. did my barrel break in a few weeks ago with 150 grain factory loads and when i took it out to 700 yards it took some adjustments with the power to get it perfect but after that it was great. Im looking forward to getting a handload developed so I can finalize my power setting. you should be excited, its a darn good setup. i wish i had the time to get out more with mine right now. good luck and let us know how development goes.