UTG 1PC Medium Profile Airgun Mount with Stop Pin, 1" Dia , Black

Precision Machined From Aircraft-grade Aluminum Alloy with Anodized Black Matte Finish Complete with Stop-Pin for Rock Solid Application Ring Base Designed with Locking Hex Screws to Tightly Fit on Mounts with Airgun/.22 Dovetail Dimensions Reversible Locking Plate to Fit Full Range of Airgun/.22 Rails The center portion distancing is 58mm The mount fits any standard dovetail base from 9-11mm. NOTE: For both holes to be lineup, use two piece scope mount. Integral style rings most likely will only able to line up with one receiver hole