Guided non-residents are typically hunting baited stands. Ranges are short and deer aren't hard to kill. Chances are there will be snow on the ground.
Locals tend to use the .270, 30-06, 7mm Rem and .300 Win with a few .308s thrown in. That would likely cover 80% of what gets used. The last 20% could be just about anything. In my circle of enthusiast friends the STW is very popular as is the .257 Weatherby but we live on the prairie not the bush.
The .243 will be met with plenty of sneers. I'm not going to start in on that debate, but plenty of people hate it.
