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Rifles, Reloading, Optics, Equipment
Rifles, Bullets, Barrels & Ballistics
Best Bigbore brake
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<blockquote data-quote="J E Custom" data-source="post: 1372908" data-attributes="member: 2736"><p>I do not cut threads for a muzzle brake that reduce the barrel wall (Bore Groove to Minor diameter of the thread) less than .150 each side. (.300 Thousandths.</p><p></p><p>This has been discussed many times but it is very important to have as much thickness as possible. Here is a link that gives the minimum safe Thread diameter for the barrel size and caliber. Bigger threads are better as long as you leave at least .020 to .030 + thousandths shoulder to seat the brake against.</p><p></p><p><a href="http://jecustom.com/index.php?pg=Home&cmd=Cell&cell=FAQ" target="_blank">http://jecustom.com/index.php?pg=Home&cmd=Cell&cell=FAQ</a></p><p>The last list item in FAQ addresses this.</p><p></p><p>Two small/thin threads can also reduce the bore diameter when the brake is tightened. Some barrels are not heavy enough for threaded brakes and other methods are recommended.</p><p></p><p>Fine threads can improve the thickness because they are not as deep and add to the minor diameter on same diameter barrels. "But" they must be fit extremely well the take advantage of the thread surfaces and strength. </p><p></p><p>J E CUSTOM</p></blockquote><p></p>
[QUOTE="J E Custom, post: 1372908, member: 2736"] I do not cut threads for a muzzle brake that reduce the barrel wall (Bore Groove to Minor diameter of the thread) less than .150 each side. (.300 Thousandths. This has been discussed many times but it is very important to have as much thickness as possible. Here is a link that gives the minimum safe Thread diameter for the barrel size and caliber. Bigger threads are better as long as you leave at least .020 to .030 + thousandths shoulder to seat the brake against. [URL]http://jecustom.com/index.php?pg=Home&cmd=Cell&cell=FAQ[/URL] The last list item in FAQ addresses this. Two small/thin threads can also reduce the bore diameter when the brake is tightened. Some barrels are not heavy enough for threaded brakes and other methods are recommended. Fine threads can improve the thickness because they are not as deep and add to the minor diameter on same diameter barrels. "But" they must be fit extremely well the take advantage of the thread surfaces and strength. J E CUSTOM [/QUOTE]
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Best Bigbore brake
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