Canadian Navy MK.79 Telescopic Gun Sight for the Mk.27 Twin Mount 3"/50 Anti-Aircraft Gun. Just about mint condition with clear optics and functional filters & polarizer. Complete with original transit box. Original inspection tag from DND. Optical sight was used to engage surface targets. Make a sensible offer and it can be yours. Combined shipping for multiple purchases. Excess fees will be refunded after products are sent to reflect actual postal fees.