MAG PROMAG SPG KUNA DRUM 9MM 50R BK

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

• 50-round Drum Magazine
• Constructed of a Proprietary DuPont Zytel Based Polymer
• Blue Steel Upper Magazine Tower
• Injection Molded Magazine Follower
• Magazine Spring Formed from Heat Treated Chrome Silicon Wire