Machined with certified USA 7075 T6 billet aluminum and held to an extremely tight tolerance of .0005 inches using a precision Computer Numeric Controlled mill. These Vortex rings are then serialized, vibratory tumbled, bead blasted and finished with a Type III hard coat anodize.
Key Features:

• Rugged, lightweight, anti-snag design
• Robust, Grade 8 fasteners
• 100% made in USA guaranteed for life

Vortex Optics Precision Match 30mm Rings Set High 1.26 in Specifications:

• Base Clamp Screws: 45-50 in/lbs
• Ring Screws: 15-18 in/lbs