This would let anyone handling the firearm tell at a glance if it was loaded or unloaded (we’re not so sure if our ancestors always held to the modern safety rule of treating all firearms as if they’re loaded). On the other hand, a pinfire round could be dangerous when dropped or mishandled because a direct impact or inertia could move the pin and cause the round to detonate.Ī fellow Parisian, Benjamin Houllier, came to Lefaucheux’s aid in 1846, over a decade after Lefaucheux developed his pistol. The pin protruded from a hole cut in the top of the breech for the hammer to strike. If the pinfire had one benefit over its contemporaries, it was safety. Keep in mind, the black powder propellant used at the time was hygroscopic and corrosive.
The obvious downside to this (with the benefit of two centuries hindsight) was that the cartridge was not gas-tight therefore, pressure was low and there was an increased risks of powder going unburnt and gas escaping. Most early pinfire rounds consisted of a brass base and paper tube, which contained powder and projectile. However, three years later he applied for a patent extension, this time for a “pin” added to the base of the cartridge loaded with priming compound that ignited when struck by the hammer of the gun. It was soon referred to as the “pinfire” cartridge and was the first major step toward modern fixed ammunition cartridges. The system still relied upon ignition from a percussion cap, as did most contemporary muzzle loading firearms. His original patent was for a breechloading paper shotgun cartridge in which the barrel hinged downward to load and unload. Pinfire ammunition was invented in 1832 by Parisian gun maker Casimir Lefaucheux. We recently came across an interesting revolver with a folding trigger that extends itself when the hammer is cocked. It’s a pocket pistol designed for personal defense and chambered in 7mm Pinfire.
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