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Gunsmiths found that by putting spiral grooves inside the barrel, it made the bullet spin therfor improoving accuracy.
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During the Civil War they had to make a stronger handgun so they made a revolver but they used a shotgun barrel.
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The Colt army black powder revolver was the first revolver ever created and it was had a brass frame.
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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.
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The first self-cocking revolver was created and it had a five shots.
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First Colt revolver where cylinder revolved and locked by cocking the hammer. Also using percussion-ignition system.
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The first double-action revolver was created and named "The Colt Lightning".
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The Colt 1911 was created and became the standard issue military sidearm.
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They created the Beretta 9mm and it became the standard issue weapon for the Italian Army.
