Shield Arms S&W M&P 2.0 +5 Rounds Pistol Magazine Extension Black 5. 0 Magazine Extension adds 5 rounds to your M&P 2.0 9mm & 40cal magazines. Our unique easy access floor plate design allows you to easily access the spring and follower without having to remove the extension from the magazine body. Comes with a 100percent lifetime warranty. Specifications for Shield Arms S&W M&P 2.0 +5 Rounds Pistol Magazine Extension: Manufacturer: Shield Arms Color: Black Fabric/Material: 6061 Aluminum Magazine Capacity: 5 Round Caliber: 9mm Luger Gun Make: Smith & Wesson Gun Model: Smith & Wesson M&P M2.0 Package Contents: Shield Arms S&W M&P 2.0 +5 Rounds Pistol Magazine Extension What firearm models does the manufacturer say Shield Arms S&W M&P 2.0 +5 Rounds Pistol Magazine Extension is compatible with? The manufacturer suggests that Shield Arms S&W M&P 2.0 +5 Rounds Pistol Magazine Extension is compatible with Smith & Wesson M&P M2.0Shield Arms MP-ME-5-BLK: S&W M&P 2.0 +5 Rounds Pistol Magazine Extension Black