I own a Walnut stocked M12 in 30-06, with iron sights. It handles very well, a nicely balanced rifle. The trigger is great. The action is very smooth (smoother than steyr's, heym's, sako's, etc. that I've used). Nice iron sights. Overall I really like it. The length of pull is quite long so I ended up mounting my scope a little further back on the receiver than I typically would, on a weaver rail, and I really like how it fits. Some people don't like pressed in barrels but it doesn't bother me at all.
The rest of my hunting rifles are built on mauser 98 actions and I'll be keeping them but I'll definately be keeping my M12 as well.