I have the 527 Varmint.
It needed some work on the extractor to get it to feed properly....but it feeds good now.
Its a good rifle. Its an excellent prairie dog rifle....but a little to big for a pickup rifle.
The 527 American would be a good pickup rifle or walking around rifle.
Best to get both. I will someday.
Fun round. Very easy to reload for and cheap to shoot.
I think I am shooting it cheaper than a 17 HMR......but I dont care enough to actually crunch the numbers.