ProMag – Promag Fn 5.7x28mm Ar 55rd Drum
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 USAFeatures :Does not fit FN 5.7 Pistol 55-round drum magazineFits the FN...