Elite Tactical Systems S&W M&P 9mm 40 Rounds Pistol Magazine Clear 40. Their mags come with enhanced features like non-tilt followers" creep-resistant feed lips and clear body allowing you to see count and ammo type" leaving nothing to chance. Specifications for Elite Tactical Systems S&W M&P 9mm 40 Rounds Pistol Magazine: Manufacturer: Elite Tactical Systems Gun Make: Smith & Wesson Gun Model: Smith & Wesson M&P Caliber: 9mm Luger Magazine Capacity: 40 Round Condition: New Features of Elite Tactical Systems S&W M&P 9mm 40 Rounds Pistol Magazine Advanced polymer construction Durable steel spring Injection-molded polymer follower Ergonomic floor plate Lifetime warranty Package Contents: Elite Tactical Systems S&W M&P 9mm 40 Rounds Pistol Magazine What firearm models does the manufacturer say Elite Tactical Systems S&W M&P 9mm 40 Rounds Pistol Magazine is compatible with? The manufacturer suggests that Elite Tactical Systems S&W M&P 9mm 40 Rounds Pistol Magazine is compatible with Smith & Wesson M&PElite Tactical Systems SW9-MP-40: S&W M&P 9mm 40 Rounds Pistol Magazine Clear 40