Burris AR Signature P.E.P.R Mount - 34mm Quick Detach- 410353:

The new streamlined design with QD mount insures .250 MOA re-mount capability and allows for use of back up iron sights while maintaining proper eye-relief. Available in 30, 34 and 35-mm options with Burris Signature polymer ring inserts, it provides adjustment from 5 to 40 MOA without using windage/elevation knobs