This lever will only work with 0940 lower receivers & UDP-9 firearms Drop your magazine faster with this extended magazine release lever. Designed to make manipulation of the UDP-9 9mm AR easier for all shapes and hand sizes. Made from 7075-T6 aluminum and available in a black or blue hard coat anodized finish.table.productattributes, .productattributes td { border-bottom: 1px solid #ddd; border-collapse: collapse; padding: 2px; text-align: left; }