Gehmann - Rear Iris Default:Twin Polariser (551) Choose the best bore guide…

Choose the best bore guide… Choose the Bore Tech Bore Guide

allowing the shooter to maintain a consistent head position

The left side and the shoulder pad are made completely of Amara for better adhesion to the non-slip rubber facing on the sleeve

this stock has it

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Gehmann - Rear Iris Default:Twin Polariser (551) Choose the best bore guide…(#PH510) Gehmann Rear Iris Adjustment range 0. 5mm 3. 0mm. Thread size suits Parker Hale or Redfield. (#550) Gehmann Rear Iris twin polariser, Adjustment range 0. 5mm 3. 0mm. Thread size 9. 5mm. (#551) Gehmann rearsight iris with twin polarisers and 1. 5x diopter, incorporates #550. Adjustment range 0. 5 3. 0mm. Thread size 9. 5mm (#566) Incorporates the patented 510 iris, Adjustable over a wider range of 0. 5 3. 0mm. Filters are of the highest