Norwegian - Kongsberg
Norwegian license alloy magazine markings. AG3 is the norwegian license version of the G3.
There is a few marked both HK G3 and AG3 with the "crowned K" as seen below.
According to where the markings are placed, it seems to be a german magazine that has been restamped.
Norwegian license alloy magazine made for german bundeswehr.
These magazines are marked "G3" rather than "AG3".
Norwegian QC or acceptance stamp found on the rear upper part of the magazine. This stamp is also found on mags made for german bundeswehr.
Norwegian license boltcarrier markings.