The VISM (a division of NcStar) 30mm Tactical series Scope Rings are expertly crafted from black anodized aluminum, ensuring durability and a sleek appearance. Designed for versatility, these rings come with removable 1 inches inserts, allowing them to accommodate both 30mm and 1 inches scope tubes, making them suitable for a wide range of optics. With a height of 1.3 inches, these tactical rings are compatible with Weaver, Picatinny and MIL-STD 1913 type rails, providing a secure fit for your scope setup. Whether you're outfitting a tactical rifle or enhancing your hunting gear, the VISM Tactical series Scope Rings deliver reliable performance and adaptability, ensuring your optics are securely mounted and ready for action.