SPS …Shooters Pro Shop (Nosler) has some 221 Fireball brass (blem) in stock. Not the cheapest stuff, but what is anymore.
www.shootersproshop.com
Nosler Brass 221 Rem Fireball (BLEM) - 100ct
This cartridge brass is for reloading for the 221 Fireball. Nosler Component Brass is the finest in the world. For the reloader looking for maximum accuracy and consistency, choose Nosler Brass.