This 30 Round Drum fits only the Bersa Thunder 380 .380acp pistols

Constructed of a blued steel upper magazine tower with a DuPont Zytel based polymer lower drum housing

Injection molded magazine follower

Magazine spring formed from heat treated stainless steel

Made in USA

After-Market.

The PROMAG .380 ACP 30rd Magazine For Bersa Thunder is designed utilizing both traditional stamping and welding of heat-treated high carbon steel, and modern precision injection molding of mil-spec polymer compounds. Every ProMag magazine is backed by a lifetime guarantee against manufacturer's defects. .