2005 marked the start of the Allen Magnum family of wildcats with the 257, 6.5mm and 270 Allen Magnum going from some simple drawings on paper into reality. From the start the purpose of the Allen Magnum wildcats was not to be near the top of the performance ladder in each caliber family but instead to take performance levels to a completely different level of performance. Every member of the ALLEN MAGNUM family of wildcats accomplishes this goal easily from the 257 Allen Magnum that completely outclasses all other 25 caliber magnums to the 338, 375 and 510 Allen Magnum that boose performance to a new level of performance in all of those caliber families. With the Allen Magnums came the label, "Faster, Flatter and Farther then ever before." All of the Allen Magnum wildcats live up to this statement. If your looking for extreme performacne for a big game hunting rifle, you will not find anything that outperforms an Allen Magnum in any given caliber family.