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Rifles, Reloading, Optics, Equipment
Gunsmithing
How much torque
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<blockquote data-quote="elf" data-source="post: 1840125" data-attributes="member: 103580"><p>Here ya go ;</p><p></p><p><strong>Seat Recoil Lug and Start with Front Action Screw(s)</strong></p><p>On the model 12, I will first ensure that the recoil lug is seated securely against the stock by just lightly tightening up the front receiver screw then gently but firmly <em>bumping the butt pad</em> against the floor. Next I will tighten up the front two receiver screws to 30 inch-pounds starting at 20 inch-pounds and working up to the 30 inch-pounds in 5 inch-pound increments, and <em>always tightening the front screw first</em> and then the second screw. Once the front two receiver screws are torqued to the final torque setting, I will set the rear receiver screw to 5 inch-pounds and shoot a 5-shot group [to evaluate accuracy].</p><p></p><p><strong>Increase Torque Incrementally on Rear Action Screw</strong></p><p>After the group is shot and I am satisfied that I called all of the shots as good shots I will allow the rifle to cool off to about the temperature that the fist group was shot at. I will then add 5 inch-pounds to the rear receiver screw and shoot another five-shot group and allow the rifle to cool again. I repeat this process until I have tightened the rear receiver screw to 40 inch-pounds or have seen the groups get smaller and then start getting larger again. Once you have seen the groups decrease and then start to increase in size then you will have found the area of torque to work in. You can then can fine tune this to the exact inch-pound torque settings.</p></blockquote><p></p>
[QUOTE="elf, post: 1840125, member: 103580"] Here ya go ; [B]Seat Recoil Lug and Start with Front Action Screw(s)[/B] On the model 12, I will first ensure that the recoil lug is seated securely against the stock by just lightly tightening up the front receiver screw then gently but firmly [I]bumping the butt pad[/I] against the floor. Next I will tighten up the front two receiver screws to 30 inch-pounds starting at 20 inch-pounds and working up to the 30 inch-pounds in 5 inch-pound increments, and [I]always tightening the front screw first[/I] and then the second screw. Once the front two receiver screws are torqued to the final torque setting, I will set the rear receiver screw to 5 inch-pounds and shoot a 5-shot group [to evaluate accuracy]. [B]Increase Torque Incrementally on Rear Action Screw[/B] After the group is shot and I am satisfied that I called all of the shots as good shots I will allow the rifle to cool off to about the temperature that the fist group was shot at. I will then add 5 inch-pounds to the rear receiver screw and shoot another five-shot group and allow the rifle to cool again. I repeat this process until I have tightened the rear receiver screw to 40 inch-pounds or have seen the groups get smaller and then start getting larger again. Once you have seen the groups decrease and then start to increase in size then you will have found the area of torque to work in. You can then can fine tune this to the exact inch-pound torque settings. [/QUOTE]
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How much torque
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