Features:

• 30-round drum magazine
• Fits the Smith & Wesson M&P Shield EZ 9mm pistols
• Does not fit Smith & Wesson M&P 9mm M&P Shield 9mm M&P Shield Plus 9mm pistols
• Drum housing constructed of a proprietary DuPont Zytel based polymer
• Heat treated blue steel upper magazine tower and polymer lower drum housing
• Injection molded magazine follower
• Magazine spring formed from heat treated stainless steel 
• Made in USA