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Rifles, Reloading, Optics, Equipment
Gunsmithing
Tight Throat?
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<blockquote data-quote="Nvhunter92" data-source="post: 1403557" data-attributes="member: 101230"><p>I just took one of my fired cases from the problem ammo, neck sized it in my gold metal match die without the expander (I was previously using a standard rcbs neck sizer with expander), seated a bullet at 2.685" with my GMM seating die and chambered the round with the firing pin and ejectors removed. The round chambered with very little pressure and the bolt lifted and moved rearward easily (no banging on bolt to get it back). There was still very very light scratching of the bullet at roughly the same distance from the neck but it was not nearly as deep and hardly noticeable. So I think I have the problem identified...1) my old neck sizer was inducing significant runout which made chambering and extraction difficult 2) my throat is on the tighter end of normal thus the bullet is still contacting it ever soslighlty before it reaches the lands </p><p></p><p>Does this sound right?</p><p></p><p>Is there anything wrong with having a tight throated rifle?</p></blockquote><p></p>
[QUOTE="Nvhunter92, post: 1403557, member: 101230"] I just took one of my fired cases from the problem ammo, neck sized it in my gold metal match die without the expander (I was previously using a standard rcbs neck sizer with expander), seated a bullet at 2.685" with my GMM seating die and chambered the round with the firing pin and ejectors removed. The round chambered with very little pressure and the bolt lifted and moved rearward easily (no banging on bolt to get it back). There was still very very light scratching of the bullet at roughly the same distance from the neck but it was not nearly as deep and hardly noticeable. So I think I have the problem identified...1) my old neck sizer was inducing significant runout which made chambering and extraction difficult 2) my throat is on the tighter end of normal thus the bullet is still contacting it ever soslighlty before it reaches the lands Does this sound right? Is there anything wrong with having a tight throated rifle? [/QUOTE]
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Tight Throat?
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