Yes it is,......... 1,030,621 That's the one I tried to document here as I tore it down to show markings and wear patterns, as I went along I cleaned it, then posted after cleaning pictures.
A link to when I posted about it:, there is a link to the pic album in there towards the back page IIRC
https://www.milsurps.com/showthread.php?t=38393
The 2nd from left was my Fathers WRA brought home with the help of an Aussie friend from his 2 tours in the Philippines..... 5,573,xxx Low wood, Rear Flip. T2 barrel band.
3rd from left also a WRA.... 5,811,xxx in a long barrel channel WRA stock... T2 barrel band and Type II H in shield rear sight.