Armorer

[Historical fiction + firearms competition + no system + non-travel] There has been a severe drought for three years, and the wilderness has spread thousands of miles; bandits have emerged, and wars have broken out. In the beginning of the troubled times, rural boy Chu Tianshu survived in a desperate situation, using an imitation three-eyed gun. Kill tigers, wolves, and bandits to create peace in your world. "Sir, during the Chinese New Year, is it illegal for me to sell some firecrackers?" "You call this thunder that explodes a hole a firecracker!" "Sir, I have some fireworks that can chase people. Do you want two?" "Thunderbolt..."