Percussion lock

Percussion Lock. A firearm mechanism in which a cap loaded with a detonating mixt is fitted over a pierced nipple and exploded by the blow of the falling hammer. The flash of the exploding cap is carried to the charge. Its development followed that of the flintlock (See Vol 6,... 

War. It was replaced by percussion-lock Refs 1) M.B. Garber, "A Modern Military Dictionary , Washington, DC (1936), 135 2) T.J. Hayes, "Elementsof Ordnance ,... 

Sheffield, Encycl of Expls, Vol 4(1969)) pp D753-R to D756-L (Brief description of matchr lock, wheel-lock, flintlock and percussion-lock in Section entitled "History of Development of Military Detonators, Igniters, Primers and Other Initiating Devices )... 

Cups, Percussion or Primer and Cops. They are small metallic cups (or caps) contg primer compositions which are covered with ap er disc, and a metallic anvil" (See Vol 1, p A473-L). These cups are part of "explosive trains". On firing a weapon, the base of the cup is struck by the firing pin of the percussion lock. This action ign ites by impact the primer mixt in the ci ) producing a flash, which in turn ignites either the proplnt (if the cup is part of a primer used in a propellant train), or the primer mixt of a detonator or delay element (if the cup is part of a primer used in an artillery ammunition train)... 

Sroech Loader.—When the percussion-lock had been fully adopted by the public, and all the latest impravemenls had bemi added to it, people thou t that the fire-arm had attained to such a degree of perfection as to preclude any fuither change in the future hut bow mistaken] The fate of the percuaaiaii-lock is now as much sealed as wae that of... 

Brown—490. Gravers and turuiiig tools for hard metals also percussion-lock gun tulies. 

Nipple.—In a percussion-lock gun, the tube upon which the cap is placed. In the oentral-flre bre -... 

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