Precision machined from Rowan Engineering in England. My as well have the best and make your gun look the best! A must have for judging the wind. This size fits 16mm which is the size of a Steyr LG110 barrel
CNC machined from 6082 aluminium and finished in black anodised. Clamps on to your cylinder.A small length of wool or cotton can be attached to the carbon fibre siwing out arm and used as a visual aid to help evaluate the 'windage'.