Wind vane sight for Vickers K Gun or Lewis aircraft machine gun. Front sight for airborne machine gun, brass tubular base, with 360° movable windvane part, in black lacquered iron consisting of 2 fixed plates forming a vertical fin, and on each side 2 movable stabilisers, pin lock, present. With a vertical rod and aiming point. This type of system was found on Vickers K Guns and Lewis guns. Probably used between 1918 and 1945. Gun Sight Wind Vane. As new. Aircraft Gun Wind Vane Sight for Vickers K Gun or LewisFront sight assembly for aircraft-mounted machine gun, tubular brass base with rotating vane assembly in blackened steel, featuring fixed vertical fins and movable side stabilizers, locking pin present. Fitted with vertical post and foresight bead. Found on Vickers K and Lewis guns, used approximately 1918-1945. Excellent condition.