Yugoslavian ammo from SGAmmo.
It's brass cased and the bullet won't attract a magnet.
Sold by the case too.
Corrosive
ak non magnetic brass cased food 50c/round
https://www.targetsportsusa.com/sellier-bellot-762x39mm-123-grain-fmj-ammo-sb76239a-p-3394.aspx
AR non magnetic brass cased food 28c/round
https://www.targetsportsusa.com/wolf-gold-223-remington-ammo-55-grain-fmj-wg59-p-4316.aspx
free shipping by the case, and if you shoot enough targetsportsusa has a "prime ammo" yearly subscription you can purchase for free shipping on any order and their pricing + exlusives. they guarantee that you'll save more than the yearly fee or they'll refund it
ak non magnetic brass cased food 50c/round
https://www.targetsportsusa.com/sellier-bellot-762x39mm-123-grain-fmj-ammo-sb76239a-p-3394.aspx
AR non magnetic brass cased food 28c/round
https://www.targetsportsusa.com/wolf-gold-223-remington-ammo-55-grain-fmj-wg59-p-4316.aspx
free shipping by the case, and if you shoot enough targetsportsusa has a "prime ammo" yearly subscription you can purchase for free shipping on any order and their pricing + exlusives. they guarantee that you'll save more than the yearly fee or they'll refund it