RPG30 uses a main RPG with a tandem warhead so yes it is.
No it wasn´t, read the articles I linked.
This was my last contribution in the forum. Been harassed in every of my few posts with no reason.
This concept was introduced some years ago with dual-RPG: https://www.wired.com/2008/11/russia-unveils/
https://soldat.pro/en/2018/07/03/rpg-30-kruk-rychnoi-protivotankovyi-granatomet/
But the initial purpose was to defeat ERA.
Thanks for the pics!