How about this thunderstomper? 41 caliber, 400grains doin 3200+fps. Claimed to still be doing supersonic @ 2500yds. Barrett shortened a 50BMG case and this is what we get. Sounds like THE ultimate elk rifle too me.
http://www.barrettrifles.com/rifles/rifles_m9916.htm
Sooooooooooo now we have it, THE ultimate "short mag"
Reckon we can get a group buy?
RA