SOPMOD Certified Super Precision Scope Mount, specifically made to be used with Vortex 1-6 Scopes. This AR-15 Scope Mount is part of The Geissele SOPMOD Certified Series features Geissele products currently in use by top tier military and counter-terrorism units throughout the U. S. Special Operations Command (USSOCOM).SOPMOD is a USSOCOM program that allows Special Operations personnel to configure their weapons to individual preferences and mission requirements. The program is an approved accessory system for the M4A1 carbine, FN SCAR Mk 16/17 and other weapons used by USSOCOM. A SOPMOD outfitted weapon will increase operator lethality by enhanced weapon performance, target acquisition, signature suppression, and fire control. Every Geissele item offered in the Geissele SOPMOD series line has been put through rigorous U. S. Government testing and certification by USSOCOM for use by their Special Forces combat soldiers. Performance and reliability are top priority when it comes to developing products for USSOCOM, and now civilians can own the same combat proven products found in the hands of these top tier units. With almost a decade of experience in the engineering and development of superior weapon components, why trust your life with anything else? Geissele is there to help you save the day. Geissele Super Precision Scope Mount 30MM Black (Vortex 1-6), for AR-15 05-329B