ProMag Standard 30rd Drum 9mm Luger Fits S&W M&P Shield Black DuPont Zytel Polymer DRMA31

Features:

• 30-round drum magazine
• Fits the Smith & Wesson Shield 9mm pistols
• Drum housing constructed of a proprietary DuPont Zytel based polymer
• Magazine upper tower has full length steel internal insert stamped and welded like the factory magazine
• Injection molded magazine follower
• Magazine spring formed from heat treated stainless steel 
• Made in USA