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Rifles, Reloading, Optics, Equipment
Gunsmithing
Excess headspace - Win M70 30-06 pre-64
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<blockquote data-quote="Privi457" data-source="post: 1942817" data-attributes="member: 114626"><p>A few corrections here. A CRF model 70 has a coned breech that does not support the case head. Worked fine on 03's, M54 and M70s to name a few.</p><p></p><p>To correctly fireform brass for that chamber DON"T shoot factory ammo.</p><p></p><p>Get some new brass, run a .33 neck expander in to make it a 338-06. Then start running it into a 30-06 FL die a bit at a time until you can close the bolt with some effort. This is the "false shoulder method" that has been around forever.</p><p></p><p>Then load the case with std 30-06 loads and fire them. You now cases dedicated for this rifle.</p><p>NEVER run the all the way into a FL die. I'd only neck size them. As long as you're using reasonable loads FL sizing may never be needed. Who would want to hotrod a 30-06 FW ? It will loosen your fillings.</p></blockquote><p></p>
[QUOTE="Privi457, post: 1942817, member: 114626"] A few corrections here. A CRF model 70 has a coned breech that does not support the case head. Worked fine on 03's, M54 and M70s to name a few. To correctly fireform brass for that chamber DON"T shoot factory ammo. Get some new brass, run a .33 neck expander in to make it a 338-06. Then start running it into a 30-06 FL die a bit at a time until you can close the bolt with some effort. This is the "false shoulder method" that has been around forever. Then load the case with std 30-06 loads and fire them. You now cases dedicated for this rifle. NEVER run the all the way into a FL die. I'd only neck size them. As long as you're using reasonable loads FL sizing may never be needed. Who would want to hotrod a 30-06 FW ? It will loosen your fillings. [/QUOTE]
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Excess headspace - Win M70 30-06 pre-64
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