Gehmann - Rear Iris Default:Twin Polariser (551) This item is tubular shaped

This item is tubular shaped and made from liquid plastic which is hard enough to protect and soft enough not to scratch or damage the bolt itself

5 and 6 SLR

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

Fitted with elastic for a comfortable but flexible fit

1 MIL (10mm)

Gehmann - Rear Iris Default:Twin Polariser (551) This item is tubular shaped(#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