I have found a number of spent 20mm rounds. On cleaning the bottoms discovered the RG initials followed by what I presume must be the year of manufacture. 51,52,53. Am I right in thinking this is the year they were manufactured?
We use cookies to improve our website and your experience when using it. Cookies used for the essential operation of this site have already been set. By continuing to use this site you are agreeing to this. To find out more about the cookies we use and how to delete them, see our privacy policy.
