Original U.S. WWII USAAF AN-N6 Motion Picture Gun Camera by Fairchild MG 42 Bolt & Barrel Assembly The barrel is 40" long

The barrel is 40" long and the gun's overall length is 55"

Belgian Léon Moeremans was a Belgian composer

" and also a script "F A" in a circle

though it definitely does have some storage wear

This example complete with original plaque that reads-

Original U.S. WWII USAAF AN-N6 Motion Picture Gun Camera by Fairchild MG 42 Bolt & Barrel Assembly The barrel is 40" longOriginal Item: Only One Available. Manufactured in 1944 by Fairchild Camera & Instrument New York N. Y. USA. Used by U. S. ,Canada and other countries during World War II to produce movies of the missions flown. While there are still some of these around none that I could find had the manual engage override red button beside the lens. This is a type AN N6 Spec. No 75 366 Mfrrs. Ass'y No. E334 BF4 SN AF44 36189. It has a rare B & L Optical CO. U. S. A.