I just randomly grind on parts with a dremel...
Yup! Dremels is what keeps gunsmiths in business. And remember, never force anything; always use a bigger hammer.
Sometimes you get what you pay for, sometimes you only pay more for what you get.
Three shots are not a "group"...they are a "few".
If the Bible is the literal, infallible, unerring word of God...where are all those witches I am supposed to kill? (Exodus 22:18)