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Rifles, Reloading, Optics, Equipment
Rifles, Bullets, Barrels & Ballistics
Help...anyone ever have a throat tighten w/use?
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<blockquote data-quote="DougH9" data-source="post: 111755" data-attributes="member: 3802"><p>I'll try to keep this short &amp; sweet:</p><p></p><p>I have a new 30-338 rifle (M70 &amp; Krieger bbl.). When I got it I noticed a couple light scratches on chambered bullets, just past the neck. There was no resistance going in or out, and I thought they were burrs that would fire out.</p><p></p><p>I put 100 rounds through it, and it shoots great, tested out to 600 yards.</p><p></p><p>Well, today I go out to shoot &amp; verify zero, and I notice that it is hard to chamber a round. I shoot anyway and it shoots ok. Then I try to extract a live round, and the bullet sticks! (this is the same everything-bullet, seating depth, etc.)</p><p></p><p>At home, I examine bullets that are extracted, and they have a full, circular, burnished ring around them. They are not hitting the lands, but are sticking in the throat. It appears that the throat has tightened up on it's own!</p><p></p><p>I thought about fouling, but have scrubbed it good, and shining a light inside it reflects back like a mirror.</p><p></p><p>Can anybody shed some light on this?</p><p></p><p>Thank you for any help. Doug</p></blockquote><p></p>
[QUOTE="DougH9, post: 111755, member: 3802"] I'll try to keep this short & sweet: I have a new 30-338 rifle (M70 & Krieger bbl.). When I got it I noticed a couple light scratches on chambered bullets, just past the neck. There was no resistance going in or out, and I thought they were burrs that would fire out. I put 100 rounds through it, and it shoots great, tested out to 600 yards. Well, today I go out to shoot & verify zero, and I notice that it is hard to chamber a round. I shoot anyway and it shoots ok. Then I try to extract a live round, and the bullet sticks! (this is the same everything-bullet, seating depth, etc.) At home, I examine bullets that are extracted, and they have a full, circular, burnished ring around them. They are not hitting the lands, but are sticking in the throat. It appears that the throat has tightened up on it's own! I thought about fouling, but have scrubbed it good, and shining a light inside it reflects back like a mirror. Can anybody shed some light on this? Thank you for any help. Doug [/QUOTE]
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Rifles, Reloading, Optics, Equipment
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Help...anyone ever have a throat tighten w/use?
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