EntityQ614853· pop 29· linked from 728 articlespercussion capSign in to savea small metallic cap or cup, usually of copper or brass, containing a shock-sensitive explosive compoundConnectionsbreechloaderEntitycarbineEntityprimerEntitycenterfire cartridgeEntityrifleEntityshotgunEntitycartridgeEntitygun barrelEntityDerringerEntitymuzzle loaderEntitysawn-off shotgunEntityunderwater firearmEntityelephant gunEntityAbraham LincolnPersonSoviet UnionConceptwarEntitycopperEntitysulfurEntityweaponEntityAmerican Civil WarConceptCategories19th-century inventionsAmmunitionDetonatorsEarly modern firearmsFirearm actionsMechanisms (engineering)Scottish inventions