Nosler took the venerable .270 caliber to a new level with the introduction of the 27 Nosler. Conceived as a 21st century upgrade, the cartridge delivers previously unobtainable downrange ballistics by pairing the ultimate combination of case capacity with modern long-for-caliber bullets.
With respect to overall performance and ammunition availability, here are the five best all-around cartridges for North American big-game species.
Just about every case shape imaginable has been modified to hold both 7mm and .30-caliber bullets, but it was gunwriter Layne Simpson who saw a gap in the lineup: there was no 7mm cartridge based on a full-length .375 H&H case. In 1979, Simpson took the excellent 8mm Remington Magnum and necked it down to hold 7mm bullets, giving his wildcat the name “Shooting Times Westerner.”