Honestly; openly.
In open sight; without trick, concealment, or deception.
Directly; bluntly; without pretense or caution.
Horizontally (as the angle at which a projectile is launched); directly or straight (at the target).
The distance between a gun and a target such that it requires minimal effort in aiming it. In particular no allowance needs to be made for effects of gravity, target movement or wind in aiming the projectile.
Blunt, outright.