Wanted to express my views on action length. With the advent of shorter fatter relatively high capacity cartridges, I am observing that they are actually better suited to longer actions, say 30-06 length actions than shorter ones. Such cartridges include the WSMs, Shermans, the PRCs, etc. The reason I think they are better suited to the longer action is that the longer action and magazine will better accommodate the very high BC bullets now available, since the bullet can be seated further out in the case and increase the usable powder capacity, providing greater optimization of the bullet jump as well. Limiting powder space and jump control simply degrades the potential of the short fat cases, which arguably are more efficient than longer cases with narrow powder columns. Case in point is my 300WSM. I have that rifle in a long action Savage, it feeds well and I can shoot our 175 gr BD2 bullet 3200 fps and the 195 gr BD2 at 2995 fps. From a short action that would be difficult to do if not dangerous with those bullets loaded to magazine length. Finding the same thing using a 6.5PRC. Would like to get some rational discussion about this subject from the obviously experienced reloaders on this site.