Percussion caps (caplock mechanisms), coming into broad services from the early 19th century, provided a spectacular improvement around flintlocks. While using the percussion-cap system, the tiny primer charge of gunpowder used in all preceding firearms was replaced by a very self-contained explosive cost contained in a little brass "cap". Gen5 https://angelodpwdj.theisblog.com/29055876/the-definitive-guide-to-gun