Barska AR Cantilever 30mm Mount Ring with 1" Inserts, 2 Pack

The Barska AR Cantilever Mount Ring with 1" Inserts (2 Pack) comes with an integrated 30mm ring and 1" inserts. This forward offset mounting ring allows mounting of longer riflescopes on your flat top AR rifle. The extra room provided by these rings allows you to align a riflescopes eyepiece directly above the charging handle. Six heavy-duty screws keep the optic in place and a large thumb lock screw keeps the mount securely on firearm.