CNC Aluminum Optic Riser Mount — Picatinny RailThe right optic at the wrong height is the wrong optic. This precision riser brings your EOTech EXPS, 551, 552, 553, or 558 — and most full-size Picatinny-mounted optics — to an optimal lower-third or absolute co-witness position, so you can shoot with both eyes open and acquire targets faster.Why Shooters Choose ItRaises optic height for proper co-witness with iron sightsCNC machined 6061 aluminum — solid and rigid with no flex under recoilHardcoat anodized finish for corrosion and scratch resistanceLever-lock or screw-mount system for tool-free, repeatable installationMaintains zero across multiple remove-and-reattach cyclesSpecificationsMaterial: CNC 6061 AluminumFinish: Hardcoat AnodizedRail: Standard Picatinny / MIL-STD-1913Compatible with: EOTech EXPS, 551, 552, 553, 558 and most standard-footprint optics