probably because in 30 cal the 7.62x39 is there to fill that bill, cheap (er) ammo etc....

I generally find that its nuts like myself that like the oddball calibers etc... not run of the mill folks.

And ammo has to be available as I always forget probably 90% of AR shooters do not reload.

We can keep Larry Root and all his idiotic blabber and user names on here, but we can't get Ralph back..... Whiskey Tango Foxtrot, over....