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Rifles, Reloading, Optics, Equipment
Gunsmithing
AR Barrel chambering methods
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<blockquote data-quote="J E Custom" data-source="post: 1813921" data-attributes="member: 2736"><p>I like the Method #1 because it is critical to center the gas port in the grove away from the lands for best performance. To locate the gas port at the right distance from the breach, it should be done before the barrel extension is made up. After the extension is indexed and torqued aligned with the gas port, final head space can be set.</p><p></p><p>Just the way I do it and others may/can do things other ways. I also do a partial chamber with the barrel extension not installed to keep it clean and free of cuttings and then do the install and finish the chamber and head space with everything in it's proper place.</p><p></p><p>J E CUSTOM</p></blockquote><p></p>
[QUOTE="J E Custom, post: 1813921, member: 2736"] I like the Method #1 because it is critical to center the gas port in the grove away from the lands for best performance. To locate the gas port at the right distance from the breach, it should be done before the barrel extension is made up. After the extension is indexed and torqued aligned with the gas port, final head space can be set. Just the way I do it and others may/can do things other ways. I also do a partial chamber with the barrel extension not installed to keep it clean and free of cuttings and then do the install and finish the chamber and head space with everything in it's proper place. J E CUSTOM [/QUOTE]
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AR Barrel chambering methods
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