Promag magazines are 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.  Made in USA.

Features:

• 50-round drum magazine
• Fits the CZ CZ-75 9mm pistol
• Magazine body constructed of a proprietary DuPont Zytel based polymer
• Blue steel upper magazine tower
• Injection molded magazine follower
• Magazine spring formed from heat treated stainless steel 
• Made in USA