Machined with certified USA 7075 T6 billet aluminum and held to an extremely tight tolerance of .0005 inches using a precision Computer Numeric Controlled (CNC) mill. These Vortex rings are then serialized, vibratory tumbled, bead blasted and finished with a Type III hard coat anodize.
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Rugged, lightweight, anti-snag design
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Robust, Grade 8 fasteners
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100% made in USA guaranteed for life
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For more information visit: https://vortexoptics.com/vortex-precision-matched-30mm-rings.html?vx_ring_height=933