ORIGINAL: ShatoDavis

what you are asking for already exists. But, like most things its not nearly as simple as we would like them to be.

How do we compare cartridges with different bullets? You must use sectional density. To properly compare two cartridges of different diameter bullets you must compare bullets of similar SD. for example a .270 140gr. bullet has a SD of aprox. .26 to compare a .30 150gr. has a SD of aprox. .26

Now you can compare the two.With this in mind you can Look at the muzzle velocities, kinetic energies, trajectories...... Recoil is so subjective I don't have any clue as to how to quantify it. I know that there are measurement in foot pounds etc. But what is manageable to one person can be unbearable to another.

I will tell you this, you won't find a nickels worth of difference between them anywhere but on paper. In the real world of average shooters at average distances game animals are just as dead with one as the other. The rest of the arguments are just bored hunters trying to fill their time until the next hunt begins.