@ncshooter426
nah unfortunatelly it's not.
The Mk2 version was released I believe around 2. Edition. Then the new 3rd Edition Codex hit and with that the mk3 Rhino/ Immolator.
For that Forgeworld did release an upgrade kit.
Please see below image. lighter colored resin area...
I did watch Ebay and Facebook groups, but had no success...