Mag rocking in for AKs was actually sometime Anton experimental with in the game, but it was something that people found kind of finicky to do, so it was ultimately reverted back to normal reloading.
Though it is Quest compatible, this game requires a PC to run the game and connect your headset to. It can only be bought from steam store.steampowered.com/app/450540/Hot_Dogs_Horseshoes__Hand_Grenades/