Original British WWII Sten Return Recoil Spring German Mauser 98k K98 Waltham and Bulova made various

Waltham and Bulova made various incarnations of this classic watch

The Turkish Vickers contract required all guns to be in the German 7

presumably to combat the possibility of any glare giving away troop positions

Ironically the Americans learned the same lesson as the Germans had with the MG151 and necked up the case to form the 20mm M39 round which has been the standard USAF cannon cartridge since the 1950s

each bipod has a spring retaining clamp to keep the legs folded against the barrel when not in use

Original British WWII Sten Return Recoil Spring German Mauser 98k K98 Waltham and Bulova made variousOriginal Item: The British call it the Return Spring; the US calls it the Recoil Spring. Whatever the name, it is the spring that pushes the bolt closed. These are still in original arsenal grease.