The Talley Aluminum 30mm High Scope Rings for Winchester 70 (.330) Post 64 Long Action Mag are crafted from high-grade aluminum to provide a lightweight yet durable mounting solution. These rings are designed to fit Winchester Model 70 Post 64 Magnum Length Action rifles with rear hole spacing of .330 inches. The one-piece construction ensures a rigid design with no joint between the scope and rifle, eliminating the possibility of misalignment. CNC machined to precise tolerances, these rings offer superior strength and durability, making them ideal for long-range shooting.