Higoo Tactical Medium Profile See Through Picatinny Waver Riser Mount (0.83" H x 5.5" L) for Scope and Optics 14 Slots New Gen. riser mount for rifles with Picatinny/Weaver rail 1 Picatinny rail with 14 slots Side plate with spring tension for quick and easy installation Precision machined from aircraft aluminum with matte black anodizing Dimensions: (0.83"H x 5.5" L)