the discussion was 30 30 verses 270 given that choice I would use a 270, Now on to the side bar of brush guns. A few years back (maybe 20 years or so) there was a big experiment on which gun made for the best brush gun, ie: shooting threw branches and bushes. The end result of the experiment was there is no such thing as brush buster, but they also said that there was no such thing as cover in regards to the 45 70