19世纪中叶,后装枪一词早已不是新名词了,但到此时却没有出现一款真正性能可靠的后装枪。随着美国发明家克里斯汀·夏普斯设计的夏普斯后装单发步枪的出现,这种局面有所改变,该枪是南北战争中最可靠的后装单发步枪,而且这种枪还广泛用于民间,乃至喜爱这种步枪的美国人昵称其为“夏普斯老伙计”—— In the mid-19th century, the word after the gun was no longer a new term, but by this time it did not appear a truly reliable post-gun. That changed with the appearance of the Sharps rear-mounted single-armed rifle, invented by the American inventor Kristen Sharp, the most reliable single-mount rear-mounted rifle in the Civil War, Americans who are widely used in civil society and even love this type of rifle are nicknamed “Sharps Old Guys”