See our ammunition write up on Tactical Gun Review:
Hornady 190 grain SUB-X loaded subsonic @ 1050 FPS. This is an expanding subsonic bullet for the 300 Black Out. Brass is NEW Norma 300 Black Out head stamped brass. Powder is either Hodgdon or Alliant powder, depending on which bullet is loaded. Primed with CCI #400 small rifle primer. Standard 1:8″ twist or faster (1:7″ twist) will stabilize this bullet.
100 rounds per order.
