While many have just discovered the 6mm, a large number of us started out hunting with it, and if you know anything about young guys we will shoot any and every bullet through a rifle. The use of soft fragmenting bullets isn’t anything new, despite popular thoughts that a 103 gr bullet makes the 6mm a giant killer, while a soft 100 gr produced since the 243 came out in 1955 is SOOOOOOOO much different. *chuckle*
A 243 works, but there are much better choices and everyone I grew up with gravitated to larger cartridges. If it worked as well as larger cartridges it’s not like we wouldn’t keep using it, everyone I know still has one in the closet ready to go, we just don’t see it as the be all end all. A cow shot double lung with my rifle went almost 400 yards, luckily out in open sage. In some thick overgrown areas that don’t show hoof prints, 400 yards can be a very very long way and many elk are lost in half that distance. There are much better choices. The 25 calibers are a much better minimum choice.
Time and time again guys say since going to a smaller cartridge they shoot more, but they should have started with a smaller rifle and always had it to practice with. I call it confusing practice rifles with hunting rifles.