Drillings can be very accurate, check this one out,

  I carried that drilling with that load many a mile in the bush of Alaska in all kinds of weather, sometimes for weeks at a time...
  A nice used drilling can be bought for around 3K, there's a LOT of folks that have near that into an AR, OR carry two or three guns TRYING to make a survival setup.
  When I was in the bush, I didn't want to hike around with three guns hanging on me, when I could have ALL THREE in the one gun in my hands!
  DM