I use full as well. I prefer a 20 gauge though. I use Federal #4 high velocity copper plated shot. It shoots tight patterns and the #4's have a lot more reach than #6's. Plus, the meat isn't loaded up with shot. It only takes one or two pellets to knock those little suckers right out of the tree.
“He grouped his last five shots right in the center of the bull’s-eye. Then I showed him my technique of scattering shots randomly around the target because, as I explained, you never know which way the deer might jump just as you pull the trigger.”