Chapter 1487: Midnight

lank and said, "I apologize for this."After saying that, he covered Duan Jiangjiang's body with the wooden board and secured it with the mechanism. Then, he carried Duan Changmian's body back and plac... the rifling was a meticulously crafted process.Otherwise, the gun prototypes that existed in Ming and early Qing dynasties would not have remained underdeveloped for so long. One major hurdle was rif...