An ELR cartridge should offer a few things, depending on intended use. For one, it should have a high ballistic coefficient and sufficient weight to resist wind drift, even given moderate crosswinds. It should also have a high enough muzzle velocity (paired with high BC) so as to exhibit minimal drop. That’s all you really need if all you’ll be doing is hitting targets. If you add...

The .375 CheyTac cartridge is not one you’ve likely heard of unless you run in circles devoted to ELR, or extreme long-range, shooting. Honestly, even if you did it wouldn’t be surprising if you hadn’t heard of it before. Partly this is because .375 CheyTac (also called .375 CT) is a fairly new cartridge, partly because it’s not that widely available commercially, and...