In the past, Ihaveremoving the breech plug to sight my scopes, itgets you "somewhere in the neighborhood".

With a boresighter, you're true with barrel at an imaginary 100 yards.
Yes, you still have to shoot, but it does cut the time in half,not to mention half the ammo spent.

Sideways is shooting a muzzleloader, with lead, powder, and caps, he'sspendingaround $2.00 per shot.