The Primary Arms SLx offset mount connects to your SLx 30 or 34mm scope mount and acts as a built-in host for almost any mini reflex sight. With a 32.5-degree angle offset, this mount is compatible with all GLOCK MOS pattern adapter plates, making it easy to connect almost any mini reflex sight as a backup to your main rifle scope. This red dot mount features the same reliable materials and construction as the other Primary Arms factory risers and mounting equipment. EXPORT CONTROLLED ITEMS: These items are controlled for export and may require an export license from the U.S. Government. Buyer acknowledges that Buyer is responsible for obtaining all export licensing authorizations and filing all export documents prior to export from the United States.