schematics for a 5.8mm magazine, aka schematics for a 5.8mm magazine, schematics, 5.8, 5.8mm, and magazine
This document is written entirely in Chinese, but some translations have been scribbled in the margins. It details the reloading of 5.8mm cartridges.
It tells you how to make a hand-loaded 5.8mm magazine with the following components:
Making this would take good familiarity with craft and decent familiarity with rifles.
In the upper right corner is a note: 'First discovered by Dr. Dr.Crowley.'
It weighs about 100 grams. It is a ammunition schematic. You have no idea what it might be worth.