1.   A typewriter was as individual as a fingerprint, or a set of teeth, or a gun barrel scoring a bullet.

2.   From part of this twelve gun barrels were forged and sent to Enfield, but they did not show the desired improvement.

3.   She obeyed instinctively, the coldness of the gun barrel chilling her skin.

4.   The four desperadoes took off after us, running up the road as their gun barrels glinted in the light.

5.   The shattered side window was punched through and a gun barrel appeared.

6.   The gun barrel grated against the floor.

7.   The menace of those long gun barrels was sobering.

8.   He jabs the gun barrel to my neck.