Yea there are plenty of those types of cartridges. The ones that are great and really fun but are never gonna supplant the more popular rounds. I love a 32 Mag and 327 Fed Mag but they never gonna put 357 outta business. Just like the 41 Mag is a great cartridge but it’s never gonna be more popular than 44 Mag. But I do hope those rounds become more popular so ammo becomes cheaper.I still don't get it. What does popularity have to do with the 6.5Creedmoors performance? And I like 300blk it fills a niche role but I don't expect it to ever be a very popular hunting round. Nobody with any sense ever should have. That doesn't mean the round is useless or is going to fade away. As long as SBR and pistol AR's are popular there will be a role for the 300blk to play.