Identify that .303 headstamp

cote_b

CGN Ultra frequent flyer
Rating - 100%
233   0   0
Location
Ontario
Hi guys

me and a buddy were reloading some .303 tonight with some old range brass we fould and stumbled upon 4 or 5 milsurp cases in the lot. The headstamp is Z8 and K.63. Im assuming the year of manufacture was 1963. Any idea what the rest means?
 
Back
Top Bottom