Vortex Precision 34mm Low Rings

Vortex Precision Rings 34mm low.  1.00" Optical Centerline (Top of Rail to Ring Center). CNC Machined with Tolerance of 0.0005".  7075-T6 Aluminum Construction. Type III Hard Anodized Coating. Rugged, lightweight, anti-snag design. Robust, Grade 8 fasteners

$290 new, asking $170 plus $20 shipping with tracking number.