枪管

nà ge qiāng guǎn zhí jiē duì zhǔn le wǒ

那个枪管直接对准了我。

The barrel was aimed directly at me.

yào dá dào xiāo yīn de mù dì nǐ zhǐ xū zài qiāng guǎn shang dǎ dòng

要达到消音的目的，你只需在枪管上打洞。

To make a silencer, you just drill holes in the barrel of the gun.