细节很重要啊，我查了一下，是用这个

https://hk-usa.com/hk-models/usp-compact/

The HK USP Compact is a small frame pistol capable of firing the most powerful cartridges in 9 mm, .40 S&W, .45 ACP. Based on the full-size USP models, these handy pistols combine compact size with optimum effective shooting performance.

你们是不是用过很多不同的枪啊？等着看你的描述。

我爸妈都是神枪手。我也过得去：）