Description
                        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 manufacturers defects. Made in USA
Features :
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                Features :
- Does not fit FN 5.7 Pistol
 - 55-round drum magazine
 - Fits the FN 5.7X28MM AR style carbine
 - 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