B-Stock relates to the condition of the item.  It is not brand new but is very close to being so.

If we get a return for something where the box is slightly damaged or a club has been trialled in our Performance & Build Centre or Manchester Store, these items will often be added to the site as B-Stock.

A good way of thinking about these items is that they look like they have been used for 1 or 2 rounds so if you fancy making a saving, consider these items.