What state(s) do you hunt big game in most often?
Colorado
What is your primary long range hunting cartridge?
300WSM
Regarding your primary long range hunting cartridge choice above:
Do you use factory ammunition?
NO
If so, which brand and load do you use...
Detachable magazines make it easier to unload particularly in the dark, but the possibility of losing it during a hunt far out weigh its convenience. I vote NO!