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Long Range Hunting & Shooting
Problem child of a rifle...(Cold Bore Question)
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<blockquote data-quote="Georgiashooter" data-source="post: 1304771" data-attributes="member: 101080"><p>It seems like this started after the bedding job and floating barrel. Sounds like the floating caused it but it wouldn't hurt to check bedding as well. </p><p></p><p>I would first check the bedding and make sure there's no debris between action and bedding. Make sure trigger and bolt handle are clear of contact with stock. Next, install front action screw to around 45 lbs/in. Then install rear action screw and see if rear tang moves any. You can eyeball it or set up a dial indicator on barrel at tip of forearm to detect any significant movement. I like to see .001" or less to call it good. </p><p></p><p>If all that checks out, I would bed the barrel completely. That will usually calm a whippy barrel. After that take it out and shoot it, if it's not better, fold a business card and put under barrel just behind tip of forearm. Sometimes it helps, sometimes it doesn't. You can fold it again and try as well. If it gets better measure thickness of your pad and put you a glob of bedding compound in that same spot and work it down to same thickness as your pad after it sets up most of the way. The upward pressure should be @5 lbs, sometimes up to 10lbs pressure. </p><p></p><p>ETA: check the crown as well, or have a smith check and recut it if needed. I'm assuming the barrel is clean and not shot out with the above suggestions. </p><p></p><p>Richard</p></blockquote><p></p>
[QUOTE="Georgiashooter, post: 1304771, member: 101080"] It seems like this started after the bedding job and floating barrel. Sounds like the floating caused it but it wouldn't hurt to check bedding as well. I would first check the bedding and make sure there's no debris between action and bedding. Make sure trigger and bolt handle are clear of contact with stock. Next, install front action screw to around 45 lbs/in. Then install rear action screw and see if rear tang moves any. You can eyeball it or set up a dial indicator on barrel at tip of forearm to detect any significant movement. I like to see .001" or less to call it good. If all that checks out, I would bed the barrel completely. That will usually calm a whippy barrel. After that take it out and shoot it, if it's not better, fold a business card and put under barrel just behind tip of forearm. Sometimes it helps, sometimes it doesn't. You can fold it again and try as well. If it gets better measure thickness of your pad and put you a glob of bedding compound in that same spot and work it down to same thickness as your pad after it sets up most of the way. The upward pressure should be @5 lbs, sometimes up to 10lbs pressure. ETA: check the crown as well, or have a smith check and recut it if needed. I'm assuming the barrel is clean and not shot out with the above suggestions. Richard [/QUOTE]
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Problem child of a rifle...(Cold Bore Question)
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