As you are probably aware, there are different safety ranges for rifles and pistols. If you are shooting a pistol using lead 15 yards would be a safe distance. Rifles obviously would have a greater safety distance. But as you stated they would be well within the safety ranges of the jacketed bullets you mentioned.
The Constitution is not an instrument for the Government to restrain the people. It is an instrument for the people to restrain the Government!
“Americans have the right and advantage of being armed. Unlike the people of other countries, whose leaders are afraid to trust them with arms.”
James Madison. Author of the 2nd Amendment