The MDT Accessory Scope Ring Caps allow the attachment of rails, RDS plates and more to your scope mount. The Ring Caps are compatible with MDT one-piece scope mount and the MDT elite scope rings. The Ring Caps provide three accessory mounting positions and an integral recoil lug slot with offset mounting holes to maintain positive contact between scope ring cap and accessories. FeaturesSold in set of 2 capsThree accessory mounting positions on top surfaces Integral recoil lug slot with offset mounting holes to maintain positive contact between scope ring cap and accessoriesNo shifting of attached accessories under recoil or shock to the mount2 x #6-48 threaded holes per mounting positionAlignment dot on top of accessory ring cap to offset the attached accessories the correct direction to resist recoilPrecision machined out of 6061-T6 aluminumAnodized to resist wear and corrosion