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- There are five barrel-rifling methods in general use1:
- Cut rifling: the oldest method of rifling a gun barrel.
- Button rifling: a cold forming process.
- Broach rifling: a metal cutting process.
- Hammer forging: a process that uses a hammer to force a mandrel through a barrel blank.
- ECM (electrolytic cationic machining): a process that uses an electric current to erode the barrel blank.
Learn more:✕This summary was generated using AI based on multiple online sources. To view the original source information, use the "Learn more" links.There are five barrel-rifling methods in general use: cut, button, broach, hammer forging and ECM (electrolytic cationic machining). All have their benefits. Cut rifling is the oldest method of rifling a gun barrel.
www.americanrifleman.org/content/popular-rifling-t…Barrel Rifling – is the spiral grooves inside the gun barrel, making the bullet spin. There are two main rifling types, standard and polygonal. There are 5 different rifling methods, cut, button, broach, cold hammer forged and ECM Barrel Twist Rate – is the inches a bullet needs to travel in order to make a complete revolution.
gununiversity.com/barrel-rifling-101/ - People also ask
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