AIM-O Extend Tri-Side rail model 25.4/30mm scope mount

Quick-release tactical scope mount for 25.4mm or 30mm scopes or red dot scopes. Sights with a 30mm frame can be mounted directly on the mount, and with the included adapters, sights with a 25.4mm/1" frame can also be mounted. The mount attaches to a standard RIS/picatinny rail.