1. I felt the gun barrel at my head.

2. The gun barrel grated against the floor.

3. It appeared Mr Prescott then put the gun barrel in his mouth and pulled the trigger.

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

5. As he peers down the gun barrel with his high, unorthodox stance, he visualises former glories.

6. Rust had eaten out the gun barrel.

7. The gun barrel, tripod, and optical sight are carried by three gunners separately for travelling.

8. Gun barrel is a thick and hollow part which is composed with three characteristic surface: line chamber, chamber, outside surface.

9. Having a smooth bore . Use of a gun barrel.

10. The vehicle features a split windscreen for the gun barrel and a shorter rear body.

11. This very short " gun barrel " will help reduce dispersion.

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

13. All he was aware of was the deathly cold of the gun barrel.

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

15. In French the word rifler meant to "scratch" and that's why the grooves inside a gun barrel are called rifling.

16. But not every automatic circuit yields the ironclad instantaneity that Bill Power's gun barrel enjoyed.

17. At best, jury-rigged silencers are nearly worthless. At worst, they can particially block the gun barrel causing it to overpressure and explode.

18. The paper introduces the new application of plastics and its composites in ordnance, including using them as materials for armor, gun barrel, rotating band, obturator and sabot.

19. Lastly, thermocouples are used to measure the temperature field of gun barrel and firing pin .

20. The invention discloses a magnetic locking mechanism for weapon, comprising driving spring, casing, resistance iron for back seat, magnet, gun action and gun barrel.

21. The paper brings out the complex technology which is after laser discrete hardened pretreatment on basal body, chromate treatment can improve the service life of chromium plated gun barrel.

22. Thermal ablation wear is a key factor in deciding the life of a rapid - fire - gun barrel.

23. In the battle of Mission City, Jazz attacks Devastator and bends his gun barrel while he's in tank mode.

24. Crew training was very demanding and for example gunners had to write their names on a sheet of paper hanging on a tree with a pencil attached to the gun barrel using the gun aiming wheels.

24. try its best to collect and make good sentences.

25. Then there were the hammering explosions past his ears and gun barrel hot against his shoulder.

26. The injection mold was designed by analysis of structure and process of a toy gun barrel.

27. Thermal ablation wear is a key factor in deciding the life of a fire - gun barrel.