Pearce Grip .380 ACP S&W M&P Shield EZ Grip Extension Black. This extension does not alter the capacity of the magazine. It adds approximately 1/2" inch additional gripping surface with enhanced ergonomics. 380ACP models only Specifications for Pearce Grip .380 ACP S&W M&P Shield EZ Grip Extension: Manufacturer: Pearce Grip Gun Make: Smith & Wesson Gun Model: Smith & Wesson M&P 380 Shield EZ Caliber: .380 ACP Magazine Capacity: 2 Round Color: Black Finish: Textured Fabric/Material: Polymer Package Contents: Pearce Grip .380 ACP S&W M&P Shield EZ Grip Extension What firearm models does the manufacturer say Pearce Grip .380 ACP S&W M&P Shield EZ Grip Extension is compatible with? The manufacturer says that Pearce Grip .380 ACP S&W M&P Shield EZ Grip Extension is compatible with Smith & Wesson M&P 380 Shield EZPearce Grip PGEZ: .380 ACP S&W M&P Shield EZ Grip Extension Black