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Rifles, Reloading, Optics, Equipment
Rifles, Bullets, Barrels & Ballistics
Bolt lug problem?
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<blockquote data-quote="Brent" data-source="post: 30037" data-attributes="member: 99"><p>Rover,</p><p>What ever you do, make sure you clean every last drop of that valve grinding compound out of there, it's very aggressive stuff. You may have to work at it for a while to get it all out too. </p><p></p><p>I know others use specific grease for many reasons, but I've used moly grease for a number of years without fail, just a little on each lug, not too much, but you got to use it. Oil won't do. Mine get regreased about every 100-200 rds.</p><p></p><p>If you're getting good contact on both lugs, you should be much better off now. And the problem likely will not occur again if you keep them greased. I'd degrease and smoke the boltnose with a candle, rechamber a fired case and make sure you have even contact on both lugs. Grease or lapping compound often shows even contact when it isn't happening yet, smokin it will tell the tale. Keep the trigger depressed as you cycle the bolt once or twice so the bolt stays down at the rear so the top lug will contact if it's really finished. Any lapping should be done with the trigger depressed, or removed.</p><p></p><p>Labrat,</p><p>I have the same chamber problem on my Ultra as your brother. Mine's getting rebarreled to 338, so I've been FL sizing them, the barrel isn't worth fixin in my opinion.</p></blockquote><p></p>
[QUOTE="Brent, post: 30037, member: 99"] Rover, What ever you do, make sure you clean every last drop of that valve grinding compound out of there, it's very aggressive stuff. You may have to work at it for a while to get it all out too. I know others use specific grease for many reasons, but I've used moly grease for a number of years without fail, just a little on each lug, not too much, but you got to use it. Oil won't do. Mine get regreased about every 100-200 rds. If you're getting good contact on both lugs, you should be much better off now. And the problem likely will not occur again if you keep them greased. I'd degrease and smoke the boltnose with a candle, rechamber a fired case and make sure you have even contact on both lugs. Grease or lapping compound often shows even contact when it isn't happening yet, smokin it will tell the tale. Keep the trigger depressed as you cycle the bolt once or twice so the bolt stays down at the rear so the top lug will contact if it's really finished. Any lapping should be done with the trigger depressed, or removed. Labrat, I have the same chamber problem on my Ultra as your brother. Mine's getting rebarreled to 338, so I've been FL sizing them, the barrel isn't worth fixin in my opinion. [/QUOTE]
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Bolt lug problem?
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