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把声音换了呗

thanks

oh,suǝpnןöɯøɥ ,Google Translate could make many mistakes
these Chinese characters above mean:

the original mod has a bug when you use the sight glass
if you reload and use the sight glass , the first bullet that you shoot can't hit the position that you aim at
Also, the muzzle flash will block your sight as you are using the sight glass
this mod was not made by "徒手开根号"
but "徒手开根号" always use this mod and he like this mod
Since the original author haven't repair the problems on this mod
"徒手开根号" repaired it by himself and upload it
if you want to know the difference between effects before and after repair
you could watch this video:
https://www.bilibili.com/video/BV1Tx4y1V7wA/?spm_id_from=333.999.0.0

my english was not well, hope this could help you.

这个声音没改,还得自己动手

mirror? u mean "scope"?