PRODUCT SAFETY AND RECALL NOTICE FOR 6.5 GRENDEL AMMUNITION
Prvi Partizan ("PPU"), the manufacturer, is recalling all 6.5 Grendel ammunition.
http://www.ppu-usa.com/news/ (http://www.ppu-usa.com/news/)
sounds like an issue with the case neck or bullet size since they are calling out chamber design as the danger. Sounds like the crimp might not let go in a tight chamber.
That could be bad news.