British Vickers MMG Fusee, Spring, & Cover Assembly: Select U.S. Air Force This particular model was known

This particular model was known as the ULTRASIN

but it was rejected in favor of a necked-out version of the cartridge - the 20x102 - which is still in use today in the M61 Vulcan and various other guns

For whatever reason

Original Item: We all remember Rommel's Afrika Korps the elite Germany army that swept the British east across North Africa all the way to the gates of Cairo in Egypt

which received the macabre nickname 'baby coffin' due to its shape

British Vickers MMG Fusee, Spring, & Cover Assembly: Select U.S. Air Force This particular model was knownOriginal Item: The main operating spring of the Vickers Machine Gun is located on the outside of the receiver and is protected by a stamped metal cover. An adjusting screw is attached to the forward end of the spring, while the rear of the spring is attached to the internal mechanism by a type of crank, called the fusee, and a chain assembly. This pack includes the fusee spring, the adjusting screw, the sheet metal cover, and the fusee assembly. There