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Spiral Grooves in the Barrel
Gunsmiths found that by putting spiral grooves inside the barrel, it made the bullet spin therfor improoving accuracy. -
CIvil War Revolver
During the Civil War they had to make a stronger handgun so they made a revolver but they used a shotgun barrel. -
Colt Army Black Powder Revolver
The Colt army black powder revolver was the first revolver ever created and it was had a brass frame. -
First Centerfire Cartridge
Colonel Henry Berdan and Marcellus Hartley designed the first centerfire cartidge. That is where the hammer hits the middle of the end of the bullet and it shoots the bullet. -
Self-Cocking Revoler
The first self-cocking revolver was created and it had a five shots. -
Self-Locked Revolver
First Colt revolver where cylinder revolved and locked by cocking the hammer. Also using percussion-ignition system. -
Double-Action Revolver
The first double-action revolver was created and named "The Colt Lightning". -
Colt 1911
The Colt 1911 was created and became the standard issue military sidearm. -
Beretta 9mm
They created the Beretta 9mm and it became the standard issue weapon for the Italian Army.
