Percussion caps (caplock mechanisms), coming into vast support during the early nineteenth century, supplied a dramatic advancement over flintlocks. Together with the percussion-cap mechanism, the modest primer charge of gunpowder Employed in all previous firearms was replaced by a very self-contained explosive demand contained in a small brass "cap". GLOCK https://historyofjudo94703.topbloghub.com/35104993/the-definitive-guide-to-gun