WW2 USN Bomber Turret & Korean War NAA F-86 Jet Fighter Mark 18 Gun Sight For Sale

This is an original World War TwoUSN Consolidated PB4Y2 Patrol Bomber Upper turret gun sight type Mark 18. This same gun sight was used in the F-86 Sabre Jet fighter when it first came out. You can see this gun sight on display at the National Museum of the US Air Force in front of the F-86. This gun sight was also used in the F4U-5 Corsair USN USMC fighter in the 1950's. This gunsight is in excellent condition. It is 9 x 11 x 9 inches and weights about 8 pounds. NO INTERNATIONAL SALES. This item is being sold as a collectible. Buyer to pay actual shipping. AZ residents add 6.7% sales tax