The Unity Tactical MRDS Top Ring for 34mm FAST™ LPVO Mounts is designed to attach your favorite micro red dot sights directly to the top of your FAST LPVO scope mount (not included). Featuring lightweight 7075-T6 aluminum construction with a hard-coat anodized finish, this top ring delivers lasting strength and superior zero retention. When used with a FAST Optic Adapter Plate (not included), this scope ring places your micro red dot at the 12 o'clock position for intuitive target acquisition in high-stress shooting applications. Compatible with 34mm scope tubes.