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Rifles, Reloading, Optics, Equipment
Reloading
Help With 300RUM
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<blockquote data-quote="AZShooter" data-source="post: 1332192" data-attributes="member: 5219"><p>Before you continue your load testing, I suggest you use other cleaning agents besides Hoppe's #9. You don't mention any other cleaner so if I am mentioning other cleaners that you already use forgive the following: You are going to have a copper buildup that won't be addressed with #9. Readily found Barnes CR-10 or Sweets 7.62 will work but don't let either cleaner sit in the bore for very long. Continue to push wet patches through bore till all traces of blue are gone. Neutralize either ammonia based cleaners with #9 followed by some dry patches. (I use CRC brake clean in green can to remove all traces of ammonia, same as what Tye at Barnes uses) My personal favorite cleaner, which is usually purchased on line, is bore tech eliminator. Eliminator can be left in the bore for extended soaks to remove the fouling that RUM will create.</p><p></p><p>Also before you continue your load testing be certain the rifle is sound.</p><p>There are quite a few things that should be addressed: </p><p></p><p>Most rifles respond to being bedded with most or all of the barrel floated. If there is a front pressure point in the stock remove it.</p><p></p><p>Check front action screw hole for bedding material or possible bottoming out (not all actions have a blind hole) </p><p></p><p>leupold windage style base windage screws not tight</p><p></p><p>Front scope base screw touching threads of barrel..</p><p></p><p>imperfection in crown </p><p></p><p>action screw hole in stock too small, drill larger so sides of action screw won't touch</p><p></p><p>Bolt handle touching stock</p><p></p><p>Mag box must not bind in stock</p><p></p><p>Recoil lug making early contact in bottom of bedded slot</p><p>causing the action to sit off bedding</p><p></p><p>Front of trigger group must not touch stock</p><p></p><p>Trigger guard must not touch trigger</p><p></p><p>Uneven bedding--- tightening one action screw to see if the action pulls up at other end.</p><p></p><p>I know having to deal with all these possible issues can be frustrating but that is the difference between a custom and a factory rifle, we have to sort out the minor flaws to ensure it will shoot.</p><p></p><p>I look forward to hearing how your rifle responds to your load testing.</p></blockquote><p></p>
[QUOTE="AZShooter, post: 1332192, member: 5219"] Before you continue your load testing, I suggest you use other cleaning agents besides Hoppe's #9. You don't mention any other cleaner so if I am mentioning other cleaners that you already use forgive the following: You are going to have a copper buildup that won't be addressed with #9. Readily found Barnes CR-10 or Sweets 7.62 will work but don't let either cleaner sit in the bore for very long. Continue to push wet patches through bore till all traces of blue are gone. Neutralize either ammonia based cleaners with #9 followed by some dry patches. (I use CRC brake clean in green can to remove all traces of ammonia, same as what Tye at Barnes uses) My personal favorite cleaner, which is usually purchased on line, is bore tech eliminator. Eliminator can be left in the bore for extended soaks to remove the fouling that RUM will create. Also before you continue your load testing be certain the rifle is sound. There are quite a few things that should be addressed: Most rifles respond to being bedded with most or all of the barrel floated. If there is a front pressure point in the stock remove it. Check front action screw hole for bedding material or possible bottoming out (not all actions have a blind hole) leupold windage style base windage screws not tight Front scope base screw touching threads of barrel.. imperfection in crown action screw hole in stock too small, drill larger so sides of action screw won't touch Bolt handle touching stock Mag box must not bind in stock Recoil lug making early contact in bottom of bedded slot causing the action to sit off bedding Front of trigger group must not touch stock Trigger guard must not touch trigger Uneven bedding--- tightening one action screw to see if the action pulls up at other end. I know having to deal with all these possible issues can be frustrating but that is the difference between a custom and a factory rifle, we have to sort out the minor flaws to ensure it will shoot. I look forward to hearing how your rifle responds to your load testing. [/QUOTE]
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