Elevate your shooting accuracy with the NcSTAR VR30H13 Hunter Series 30Mm Rings - 1.3'H, crafted for serious marksmen. Constructed with sturdy black anodized aluminum, these rings feature a versatile 30mm scope tube diameter and removable 1" inserts, compatible with Weaver, Picatinny, and MIL-STD 1913 rails. Durable black anodized aluminum construction 30mm scope tube diameter with removable 1" inserts Compatible with Weaver, Picatinny, and MIL-STD 1913 rails Hexagon shape mounting nut for secure fit Included mounting tool for easy installation Optic centerline height: 1.3", Overall height: 2.2" Enhance your setup and experience precision shooting with these innovative scope rings.