““He opened the gun box, lifted out the sections of his own gun, for comparison. They slid together with well-oiled clicks. Laying the two guns side by side, he experienced a momentary lapse of faith. They looked nothing like a pair. His own gun looked fat and polished. It almost breathed as it lay on the slab. Bertie’s gun looked like a sketch, or a preliminary model done in cheap materials to get the shape right and then discarded.””