If you enjoy the forum please consider supporting it by signing up for a NES Membership The benefits pay for the membership many times over.
Go to Bron's in Sturbridge, he usually has plenty of 7.62x25. If you're not using 7.62x25, you're not getting the full fireball effect.
Yes, they are on the list: http://www.atf.gov/firearms/curios/1972-2007/section2.pdfAre the CZ-82 C&R eligible?.
Yes, they are on the list: http://www.atf.gov/firearms/curios/1972-2007/section2.pdf
I have one for mine. Good luck finding one now though.