My $.02 is about the same as everyone else's...
Better accuracy for the buck with the bolt gun, due to simplicity alone.
But I didn't see anyone mention that mag length might be a limiting factor with the AR platform, if you want to load heavy VLD's to the lands?
No particular knowledge of that specific application, but if it's an issue with bolt guns, it seems logical it would apply more to the AR...
07 FFL /Mosin-Nagant Custom Shop/Bent Bolts
Genuine Cerakote Applicator- ALL FIREARMS
General Gunsmithing and Re-Barreling