The Obsidian9 isn’t just for your 9mm. It’s also full-auto rated for 300 Blackout subsonic and even works with calibers like .350 Legend. . 300BLK Subsonic (with an 8″ or longer barrel) 9×39 Subsonic (with an 8″ or longer barrel) 350 Legend (with a 16″ or longer barrel or longer) . #RuggedSuppressors primaryweapons #Obsidian9 #300Blackout #FullAutoFriday #LiveRugged