What is "draw a bead on"

Usage examples of "draw a bead on".

Jak was able to draw a bead on the rifleman with ease, and he squeezed the trigger of the Colt Python, a heavy .

Ryan screamed, fighting against his own animal's terror, trying to draw a bead on the snarling cougar that was flattened against the streaming rocks, less than ten paces away from him.

It would also bring the pack that much closer before Ryan could draw a bead on one.

By the time that the nearest guard had shouted a warning and begun to draw a bead on the intruder, the Indian had vanished again.

The index fingers of the two men hovered over the firing studs of the weapons as the screamwings dived and dipped and banked at such a blurring speed, Grant and Kane couldn't draw a bead on them.

He was trying to draw a bead on Joe, but he was in a clinch with Blood-sniffer and they were rolling together over the walkway.

Her first thought was that he must be a criminal of some kind -- a burglar or a rapist -- so she hefted up the Ml to draw a bead on the sonofabtich, but before she could get the gun steadied, he disappeared past the hedges and was gone.

He lunged forward, trying to draw a bead on Kane's visor with his Walther.

I was standing there, pistol in handbut DeWitt sensed me before I could draw a bead on him.

Then I recalled with glum conviction that my performance probably need be convincing only long enough for a marksman to draw a bead on me.