In one of the many survey conducted online this one is by B Smith an outdoorsman and writer. The question was asked on Social Media of what is the best rifle caliber for hunting deer. Supposed you were a newbie and was in the market, the following information may be helpful to you. You can obviously ask the folks running the gun stores and ranges. The following answers comprises from many different levels of hunters/gun enthusiasts, take it with a grain of salt, this is from the internet poll. Here are those popular calibers for deer hunting that was mentioned:.243.270.30-30.308There...