Seen as a premium part, typically more accurate than other barrel types.Large round count = longer service life than other barrel types.Forging process allows for higher heat resistance.Here are the main pros and cons of CHF barrels: The barrel blank and mandrel is placed in a forge four hammers on all sides hammer down to create the rifling in the barrel. On this mandrel is the shape, or reverse image, of the rifling and twist rate. Cold Hammer Forged (CHF)Ĭold hammer forged barrels are known in short as ‘CHF.’ The process of making CHF barrels involves a barrel blank with a mandrel inside of it. Today’s article focuses on the barrel materials so if you want to do a deep dive on this topic check out our previous blog that compared cut rifling vs button rifling and cold hammer forged barrels. There are 3 main types of barrels when it comes to how rifling within the barrel is made that you need to be aware of - these methods include barrels with cut rifling, button rifling or ones that were cold hammer forged. In this article we go over the various AR-15 barrel types and materials to help better inform your AR 15 build process. But there are different types of barrels and these differences do matter. When planning for your new AR build, one might just pick any old barrel as long as it’s for the right caliber and the length you want it at.
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