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Rifles, Reloading, Optics, Equipment
Gunsmithing
How important is blue print action
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<blockquote data-quote="J E Custom" data-source="post: 791750" data-attributes="member: 2736"><p>Just to clarify the importance of blue printing(Accurizing) an action these are some of the steps</p><p>when building an accurate rifle.</p><p></p><p>First you must start with a great barrel (The rest does not matter if you have a poor one).</p><p></p><p>Proper setup of the barrel to assure that it is true to the bore is very important.</p><p></p><p>Next=you must cut very good threads that fit the action perfect.(Part of truing the action is to</p><p>chase/true the action threads for the best fit).</p><p></p><p>Also very important is the quality of the chamber reamer and how it is set up to cut a perfect chamber. Alignment of the reamer with the bore is of utmost importance before starting the </p><p>chamber.</p><p></p><p>Now comes the action. If it is not as perfect as possible all of the previous quality will be negated.</p><p>A trued actions sole purpose is to hold the cartridge in perfect alignment with the bore of the rifle.</p><p>This is why it is very important to have every thing square and concentric with the bore. If it </p><p>doesn't some accuracy will be lost.</p><p></p><p>Next and also very important is the head space. Head space can be very precise if the bolt Locking</p><p>lugs are square and have 100% surface engagement , the bolt face must also be square and flat for</p><p>100% contact with the cartridge head to prevent primer pocket and case failure. (Most are dished).</p><p>The amount of Head space varies depending on the use and type of cartridge.</p><p></p><p>With all of the steps mentioned before are completed as near perfect you are ready to install as</p><p>good/best trigger as possible.</p><p></p><p>Then comes the stock that needs to fit the shooter and needs to be pillar bedded and floated to complement the barreled action.</p><p></p><p>So as you can see, accuracy has to be built in and must start at the beginning to be a sub 1/4 MOA or better rifle. If you leave out any of the steps you may go from a sub 1/4 MOA rifle to a 1/2+ MOA</p><p>rifle.</p><p></p><p>In the hands of a proficient marksman a precision built rifle can do amazing things without these steps</p><p>it is just a rifle and will never be a shooter in any ones hands.</p><p></p><p>You can,t build a mansion on a poor foundation and accurate rifles are the same they must have a</p><p>good barrel, true action and good smithing to perform.</p><p></p><p></p><p>J E CUSTOM</p></blockquote><p></p>
[QUOTE="J E Custom, post: 791750, member: 2736"] Just to clarify the importance of blue printing(Accurizing) an action these are some of the steps when building an accurate rifle. First you must start with a great barrel (The rest does not matter if you have a poor one). Proper setup of the barrel to assure that it is true to the bore is very important. Next=you must cut very good threads that fit the action perfect.(Part of truing the action is to chase/true the action threads for the best fit). Also very important is the quality of the chamber reamer and how it is set up to cut a perfect chamber. Alignment of the reamer with the bore is of utmost importance before starting the chamber. Now comes the action. If it is not as perfect as possible all of the previous quality will be negated. A trued actions sole purpose is to hold the cartridge in perfect alignment with the bore of the rifle. This is why it is very important to have every thing square and concentric with the bore. If it doesn't some accuracy will be lost. Next and also very important is the head space. Head space can be very precise if the bolt Locking lugs are square and have 100% surface engagement , the bolt face must also be square and flat for 100% contact with the cartridge head to prevent primer pocket and case failure. (Most are dished). The amount of Head space varies depending on the use and type of cartridge. With all of the steps mentioned before are completed as near perfect you are ready to install as good/best trigger as possible. Then comes the stock that needs to fit the shooter and needs to be pillar bedded and floated to complement the barreled action. So as you can see, accuracy has to be built in and must start at the beginning to be a sub 1/4 MOA or better rifle. If you leave out any of the steps you may go from a sub 1/4 MOA rifle to a 1/2+ MOA rifle. In the hands of a proficient marksman a precision built rifle can do amazing things without these steps it is just a rifle and will never be a shooter in any ones hands. You can,t build a mansion on a poor foundation and accurate rifles are the same they must have a good barrel, true action and good smithing to perform. J E CUSTOM [/QUOTE]
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How important is blue print action
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