'Cast off' is when the centre line of the stock is to the right of the centre line of the barrels, 'cast on' is when the stock line is to the left. Right-handed, right-eye shooters usually have some cast off to bring their eye to the centre line of the barrels in a comfortable shooting stance. The build of the shooter and the shape of their face have a bearing on the amount of cast off required. Similarly 'pitch' (the angle of the butt plate) and comb height also play a part in getting a proper fit. It is pointless measuring a customer for stock fit until they have been shooting for a while and have adopted a proper shooting stance. The whole exersize of stock fit is to assure a constant comfortable fit in the correct shooting position in order to achieve consistent results.
Bookmarks