Primary Arms Scope Tube Offset Mount – 30mm/1in.

The Primary Arms Scope 30mm Tube Offset Mount includes 1 inch inserts, to work with scopes featuring either 30mm or 1 inch tubes. Simply mount the ring section onto the tube of your primary scope, then attach your Micro dot or reflex sight (sold separately) to the 1913 Picatinny rail section as your secondary optic. This tough mount features a lifetime warranty.