HYVE Technologies Extended Magazine Release Smith & Wesson M&P Shield 9mm/ .40 Cal Gray Small. 40. Machined from solid 6061 aluminum reinforced with a SS dowel pin. Designed to hold your your magazine firmly in place. This extended mag release has a textured pad to which makes it incredibly easy to find and depress the button ensuring a faster reload. Specifications for HYVE Technologies M&P Shield 9mm/ .40 Cal Extended Magazine Release: Manufacturer: HYVE Technologies Gun Make: Smith & Wesson Gun Model: Smith & Wesson M&P 40 Shield Smith & Wesson M&P 9 Shield Finish: Anodized Fabric/Material: 6061-T6 Aluminum Condition: New Features of HYVE Technologies M&P Shield 9mm/.40 Cal Extended Magazine Release: Will only fit the Smith&Wesson Shield 9mm and .40 Package Contents: HYVE Technologies M&P Shield 9mm/.40 Cal Extended Magazine Release What firearm models does the manufacturer say HYVE Technologies M&P Shield 9mm/ .40 Cal Extended Magazine Release is compatible with? The manufacturer says that HYVE Technologies M&P Shield 9mm/ .40 Cal Extended Magazine Release is compatible with Smith & Wesson M&P 9 Shield Smith & Wesson M&P 40 ShieldHYVE Technologies SW9-R0-3: Extended Magazine Release Smith & Wesson M&P Shield 9mm/ .40 Cal Gray Small