The Reptilia DOT Mount Low Height is an ultra-low profile mounting solution designed specifically for Aimpoint ACRO and Steiner Optics MPS red dot sights with FDE anodized finish.Reptilia DOT Mount Low Height for Aimpoint ACRO/MPS7075-T6 aluminum construction with Type III hardcoat anodized finishUltra low height design allows co-witness with backup iron sightsSpring-loaded nitrided 4140 steel clamp and mounting bolt3.1 inches overall lengthFits M1913 Picatinny railsLow-profile anti-snag designMade in USAPerfect for subguns and AKs with gas tube rails this lightweight mount provides a secure streamlined platform for your optic while maintaining the ability to use backup iron sights through co-witnessing.