ProMag Ruger-57 5.7x28mm 20-Round Magazine
ProMag 20-round magazine for Ruger-57 5.7x28mm pistols. Heat-treated steel construction with blued finish, injection-molded follower, and lifetime manufacturer's warranty. Made in USA.
Fits: Ruger-57
ProMag Ruger-57 Magazine
This 20-round magazine is purpose-built for the Ruger-57 5.7x28mm pistol, combining proven manufacturing techniques with modern materials science.
Construction & Materials
ProMag employs a hybrid manufacturing approach that leverages both traditional and contemporary methods:
- Steel body: Heat-treated high carbon steel with black oxide finish for corrosion resistance and durability
- Follower: Injection-molded from mil-spec polymer compounds for reliable feeding
- Spring: Heat-treated chrome silicone wire for consistent performance and longevity
Reliability & Warranty
Every ProMag magazine is backed by a lifetime guarantee against manufacturer's defects. This reflects the company's confidence in their products and commitment to customer satisfaction.
Made in USA
ProMag magazines are manufactured domestically, supporting American production standards and quality control.
Features
- magazine body constructed of heat treated steel with black oxide finish
- injection molded magazine follower
- magazine spring formed from heat treated chrome silicon wire
- made in usa
