Free: Contests & Raffles.
I'm pretty sure they can add that as a rule right away if they chose to.
As far as I know they are legal. Unless there was a change recently in the law. You'd be surprised at the number of guys at sporting goods stores that tell you can't use bait, semiautos, calls, scents, hollow points, fmj, etc.
Apparently ATF has recently begun denying Form 1 SBR's.