Stuart Wilson’s got two quarry species in mind, at both ends of the size scale: grey squirrel and late-season fallow does and prickets. No, not with the same rifle – he’s selected a Ruger Precision rimfire for the tree-rats, and a .308 Haenel for the fallow. But what will the high seat vigil provide – a late boost for the cull plan or some all-important pest control?