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Hunting
Long Range Hunting & Shooting
"Trued" action With factory barrel
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<blockquote data-quote="J E Custom" data-source="post: 1344145" data-attributes="member: 2736"><p>Just an observation after many years of re building factory rifles.</p><p></p><p>All factory rifles/actions have problems. I have never found a /any factory rifle that did not have problems in precision machining and parts matching</p><p>The problems vary from rifle/action to rifle/action and even though they shoot well it doesn't mean everything is true.</p><p></p><p>I once had a rifle that shot well and my friend wanted me to blue print it</p><p>to see if it would improve. As usual, I started to dissemble the rifle and checking the parts as I went, I was shocked how some of the parts were way out of true.</p><p></p><p>At that point, I was amazed that it shot good at all and tried to figure out why it did. What I found was almost funny and definitely lucky. The recoil lug was .005 thousandths thicker on one side than the other. The receiver face was .0046 out of square also. but strangely enough they were off on opposite sides and canceled each other out to within .0004</p><p>thousandths.</p><p></p><p>After squaring/ trueing everything the rifle did improve and a pleasant side affect was that it was not as picky about what ammo it was fed. (this was the total effect of everything else being true and square).</p><p>A custom action needs to be checked also because they are not always perfect ether. there quality control is/should be better but the fact that they are machined using the same method (CNC) as the factory rifles and depend on the operator/programmer to do the setup properly.</p><p></p><p>So in my opinion, trueing up any action is worthwhile and beneficial whether a new custom barrel is installed or a good factory barrel is reused.</p><p></p><p>J E CUSTOM</p></blockquote><p></p>
[QUOTE="J E Custom, post: 1344145, member: 2736"] Just an observation after many years of re building factory rifles. All factory rifles/actions have problems. I have never found a /any factory rifle that did not have problems in precision machining and parts matching The problems vary from rifle/action to rifle/action and even though they shoot well it doesn't mean everything is true. I once had a rifle that shot well and my friend wanted me to blue print it to see if it would improve. As usual, I started to dissemble the rifle and checking the parts as I went, I was shocked how some of the parts were way out of true. At that point, I was amazed that it shot good at all and tried to figure out why it did. What I found was almost funny and definitely lucky. The recoil lug was .005 thousandths thicker on one side than the other. The receiver face was .0046 out of square also. but strangely enough they were off on opposite sides and canceled each other out to within .0004 thousandths. After squaring/ trueing everything the rifle did improve and a pleasant side affect was that it was not as picky about what ammo it was fed. (this was the total effect of everything else being true and square). A custom action needs to be checked also because they are not always perfect ether. there quality control is/should be better but the fact that they are machined using the same method (CNC) as the factory rifles and depend on the operator/programmer to do the setup properly. So in my opinion, trueing up any action is worthwhile and beneficial whether a new custom barrel is installed or a good factory barrel is reused. J E CUSTOM [/QUOTE]
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"Trued" action With factory barrel
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