Pearce Grips, Grip Extensions Description The 2-Pack Pearce Grip, Model PG-29-2PK replaces the magazine base plate and retains all other factory components on a Glock 29 magazine. It does not alter the capacity of the magazine and provides about 1/2" additional length for better control and comfort. Features: Fits S&W M&P Shield (both9mm and.40 cal) Forms the next logical finger positioning feature to provide control and comfort without sacrificing conceal ability Enhances control and comfort without sacrificing conceal ability Blends with the contours and texture of the handgun and have a factory appearance Made from High Impact Polymer and withstands drop tests at temperatures from -20 F to 350 F This unit replaces the magazine base plate on the M&P SHIELD & SHIELD 2.0 9mm and 40 cal. This extension does not alter the capacity of the magazine. It adds approximately 3/4" inch additional gripping surface. High Impact Polymer Increased Comfort and Control Added Gripping Surface Product Details: Brand: Pearce Grips Material: Polymer Color: Black Item Package Dimensions L x W x H: ‎3.43 x 2.56 x 1.3 inches Package Weight: ‎0.01 Kilograms Item Dimensions LxWxH: ‎4.25 x 3 x 1.25 inches Brand Name: ‎Pearce Grips Model Name: ‎Pearce Grip Color: ‎Black Material: ‎Polymer Number of Items: ‎1 Manufacturer: ‎RSR Group, Inc Part Number: ‎PG-MPS Style: ‎S&W M&P Shield Included Components: ‎Grip Extension Size: ‎1-Pack Date First Available: December 13, 2013