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Rifles, Reloading, Optics, Equipment
Gunsmithing
How important is blueprinting an action
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<blockquote data-quote="Carryacolt" data-source="post: 1850544" data-attributes="member: 113329"><p>You stated: "Slack or improper alignment Is not conducive to consistency, so it should be minimized. One of the quickest ways to spot poor workmanship, is to try a fired case in an action/chamber for ease of closing. Many times it will have to be index't in the same position it was fired in to freely chamber because something was misaligned or allowed to move."</p><p></p><p>This is the problem I'm having right now with my M-70. When I place a fired case into the chamber using the bolt (with the firing pin assembly removed), it closes hard. If I rotate the brass in 15 degree segments, it will come to a spot where it closes much easier. </p><p>Just where is the misalignment occurring?</p><p>I figure the barrel is not aligned true to the action. The bolt face....probably is not perpendicular to the bore either. The lugs are fairy close as I "very cautiously" lapped them. </p><p>Just haven't decided if it's worth the time,effort, or money, to get it all aligned. </p><p>This is a factory hunting rifle. </p><p>At least I know now what the problem is and I can stop driving myself nuts.</p></blockquote><p></p>
[QUOTE="Carryacolt, post: 1850544, member: 113329"] You stated: "Slack or improper alignment Is not conducive to consistency, so it should be minimized. One of the quickest ways to spot poor workmanship, is to try a fired case in an action/chamber for ease of closing. Many times it will have to be index't in the same position it was fired in to freely chamber because something was misaligned or allowed to move." This is the problem I'm having right now with my M-70. When I place a fired case into the chamber using the bolt (with the firing pin assembly removed), it closes hard. If I rotate the brass in 15 degree segments, it will come to a spot where it closes much easier. Just where is the misalignment occurring? I figure the barrel is not aligned true to the action. The bolt face....probably is not perpendicular to the bore either. The lugs are fairy close as I "very cautiously" lapped them. Just haven't decided if it's worth the time,effort, or money, to get it all aligned. This is a factory hunting rifle. At least I know now what the problem is and I can stop driving myself nuts. [/QUOTE]
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Rifles, Reloading, Optics, Equipment
Gunsmithing
How important is blueprinting an action
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