4 bayonet is the bayonet No
The blade still retains original engravings and some gold inlay including the maker's name and address
These pouches are extremely rare
with some bearing Rock Island Arsenal ink stamps to interior (very faded)
British Vickers Headspace Washer Set: No. 2 Original Machine Gun Part Sets 4 bayonet is the bayonetOriginal Item: Headspace in the Vickers medium machine gun is adjusted by adding or removing thin washers from the connecting rod. See Ian Skennerton, S. A. I. S. No. 8, . 303 Vickers Medium Machine Gun, Plate G, items 15 ? 18. IMA has a few of the No. 1 (0. 003 inch) and No. 2 (0. 005 inch). British nomenclature is WASHER, ADJUSTING, NO. 1, . 003 IN and WASHER, ADJUSTING, NO. 2, . 005 IN. These are very rare, and IMA has only a very few. They are