We’re hunting massive tuna off the Cornish coast – it’s the UK’s newest world-class big game sport. Roy Lupton is giving David a hard time as they go after a roebuck in the late rut. Should you buy new or secondhand? Ian Hodge says why a new Tikka rimfire could be a better buy than a trusty used CZ. Plus David has the news on the news stump. It’s all in this week’s #FieldsportsBritain