Saw this the other day at a gun shop, took some quick (although crappy, sorry) pics with my cell phone...
It has a straight pull bolt, internal magazine, and all numbers have been ground off, but the rifle is in great shape
According to the shop its NOT a Mauser....but he thought a Steyr maybe?
But its really cheap so I thought about rescuing it, just wondering what it is and what caliber it might be: