Forward Controls Design Delta Point Pro Plate for GLOCK MOS Pistols Designed and made in the USA, the Forward Controls Design OPF-G, DPP plate is designed for the GLOCK MOS system to mount Leupold’s Delta Point Pro on the slide. This Glock compatible mounting plate is designed to fully support the optic in the front and rear with threaded posts that connect with the sight-to-mount screws, ensuring minimal sight movement. The adapter plate is made of heat treated 4140 steel and black nitride coated to increase the ability to avoid corrosion and to increase the lifetime of the mounting plate. Features: 4140 Steel Black Nitride Coated Mounts Leupold’s Delta Point Pro (2) .5mm x 6mm Adapter plate screws (2) M4 .7x15.8mm back up Delta Point Screws T10 and T15 Wrenches Compatible with: GLOCK Set 01 plates: G17, G19, G22, G23, G26, G34, G45 GLOCK Set 02 plates: G40 (adapter plate will not fill the entirety of the optic cut) Forward Controls Design firmly believes in the elegance of simplicity. Not content to produce purely aesthetic components, they put function before form to create parts and accessories that actually improve the handling and function of your firearms. When you need parts that just work without complication, you need Forward Controls Design.