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Rifles, Reloading, Optics, Equipment
Gunsmithing
Chamber Dimensions
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<blockquote data-quote="IdahoCTD" data-source="post: 1047440" data-attributes="member: 13110"><p>It wouldn't have anything to do with using a piece of brass for set up. When you set up to cut the tenon you have to take measurements from the front of the action to the bolt nose and/or lugs to determine the length the tenon needs to be. In your case the gunsmith should have measured to the front of the lugs, used the shorter of the 2 measurements, and then subtracted his clearance. For me that would be .010" to .020" depending on what the rifle was used for. If the bolt face recess is only .094" deep and you add a max of .020" the cases should stick out of the barrel less than .114" (a full sized case would be a few thousandths less). The barrel needs to be set back about .160", if your .270+" protrusion measurement is correct, and the reamer run in to the proper headspace again. If those measurements are correct it's pretty amazing you haven't ruptured a case. I guess the Nosler cases are made pretty tough.</p><p></p><p>Here is a link to a picture of a Sako L61R bolt.</p><p></p><p><a href="http://www.google.com/url?sa=i&rct=j&q=&esrc=s&source=images&cd=&cad=rja&uact=8&ved=0CAcQjRw&url=http%3A%2F%2Fwww.standardfirearms.com%2Findex.php%3Froute%3Dproduct%2Fproduct%26product_id%3D114&ei=eO_TVKqrPMyrogSmoYDgBw&bvm=bv.85464276,d.cGU&psig=AFQjCNGkGgyEXMYfSdRzhT3tDEv_bt2IQQ&ust=1423261831160719" target="_blank">http://www.google.com/url?sa=i&rct=j&q=&esrc=s&source=images&cd=&cad=rja&uact=8&ved=0CAcQjRw&url=http://www.standardfirearms.com/index.php?route=product/product&product_id=114&ei=eO_TVKqrPMyrogSmoYDgBw&bvm=bv.85464276,d.cGU&psig=AFQjCNGkGgyEXMYfSdRzhT3tDEv_bt2IQQ&ust=1423261831160719</a></p></blockquote><p></p>
[QUOTE="IdahoCTD, post: 1047440, member: 13110"] It wouldn't have anything to do with using a piece of brass for set up. When you set up to cut the tenon you have to take measurements from the front of the action to the bolt nose and/or lugs to determine the length the tenon needs to be. In your case the gunsmith should have measured to the front of the lugs, used the shorter of the 2 measurements, and then subtracted his clearance. For me that would be .010" to .020" depending on what the rifle was used for. If the bolt face recess is only .094" deep and you add a max of .020" the cases should stick out of the barrel less than .114" (a full sized case would be a few thousandths less). The barrel needs to be set back about .160", if your .270+" protrusion measurement is correct, and the reamer run in to the proper headspace again. If those measurements are correct it's pretty amazing you haven't ruptured a case. I guess the Nosler cases are made pretty tough. Here is a link to a picture of a Sako L61R bolt. [url]http://www.google.com/url?sa=i&rct=j&q=&esrc=s&source=images&cd=&cad=rja&uact=8&ved=0CAcQjRw&url=http%3A%2F%2Fwww.standardfirearms.com%2Findex.php%3Froute%3Dproduct%2Fproduct%26product_id%3D114&ei=eO_TVKqrPMyrogSmoYDgBw&bvm=bv.85464276,d.cGU&psig=AFQjCNGkGgyEXMYfSdRzhT3tDEv_bt2IQQ&ust=1423261831160719[/url] [/QUOTE]
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