This is a Ruger Mini-14 .223 Remington 20-round magazine, manufactured by Promag.
- Rugged, blued steel construction
- Heat-treated chrome silicon wire spring
- Manufactured & Assembled in the U.S.A.
- Chambered in .223 Remington / 5.56 NATO
ProMag magazines are made in the USA and backed by a lifetime guarantee against manufacturer’s defects.