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300 ultra accuracy problems
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<blockquote data-quote="Broz" data-source="post: 615190" data-attributes="member: 7503"><p>First off we should post a link with all the facts on Boretech solvents. What they will do and what they are intended for. Good reading here.</p><p> </p><p> </p><p><a href="http://www.boretech.com/category/solvents.shtml" target="_blank">Welcome to Bore Tech, Inc.</a></p><p> </p><p> </p><p>Greg, Both CU+2 and Eliminator contain rust preventatives to protect your bore. I have found that leaving the bore damp from a damp patch is all the protection I need. Then as instructed on the bottle, I run a few dry patches down when I am ready to use the rifle again. Like I said I have tested first rounds from a clean cold bore on my 338LM to 1400 yards and was with in .25 moa of point of aim. Or to be more specific, I was in the 7" orange on my target. I have also tested this in my 300 win to 1000 yds and recently while breaking in a new 7mm-300 and working out drops. Even from a cold clean bore a 3 shot group was spot on out to 1100 and was holding 1/2 moa with 3 shots.</p><p> </p><p>All I do is patch the bore dry with 4 or 5 clean patches after cleaning if I am going out to shoot. Or if the rifle has been stored with a damp bore I do the dry patch out when going to shoot. I have alway lost first round accuracy with any oiled bores and have stopped doing it completely. I have grown to trust the suggestions BoreTech gives. Also I never seen slowed velocities from an oiled bore like you did. I actually saw increased velocity and impacts points were high when oil was in the bore until it was burnt out or "fouled" . Maybe a difference in oil ? Also, have you ever considered what kind on film oil could leave in a bore when introudcd to the high temps of firing a round? Just something I have thought about, maybe irrelevant, but could leave some additional carbon and now the clean bore is off to a bad start.</p><p> </p><p>It is my understanding that CU+2 is not intended for carbon removal. I was surprised you felt it did good at this. I use BoreTech C-4 when using CU+2 on severly coppered bores. But Elininator does get carbon as well as copper and I use it alone on all my precision rifle bores.</p><p> </p><p>As with you I have spent some time testing. My esting was done in the field and on the range with my ifles. I will not suggestthat everyone will get the same results. But I will tell you I jave proven this method to myself and it does work for me.</p><p> </p><p>In ending, I have yet to see any amonia based cleaner get more copper than BoreTech. Even the stinkest of the bunches I tested. I guess I a done with amonias and feel there is no need to take the chance of barrel damage from amonia left in to long. I know KG is not amonia based, but felt te need to add this is that I have seen.</p><p> </p><p>Jeff</p></blockquote><p></p>
[QUOTE="Broz, post: 615190, member: 7503"] First off we should post a link with all the facts on Boretech solvents. What they will do and what they are intended for. Good reading here. [URL="http://www.boretech.com/category/solvents.shtml"]Welcome to Bore Tech, Inc.[/URL] Greg, Both CU+2 and Eliminator contain rust preventatives to protect your bore. I have found that leaving the bore damp from a damp patch is all the protection I need. Then as instructed on the bottle, I run a few dry patches down when I am ready to use the rifle again. Like I said I have tested first rounds from a clean cold bore on my 338LM to 1400 yards and was with in .25 moa of point of aim. Or to be more specific, I was in the 7" orange on my target. I have also tested this in my 300 win to 1000 yds and recently while breaking in a new 7mm-300 and working out drops. Even from a cold clean bore a 3 shot group was spot on out to 1100 and was holding 1/2 moa with 3 shots. All I do is patch the bore dry with 4 or 5 clean patches after cleaning if I am going out to shoot. Or if the rifle has been stored with a damp bore I do the dry patch out when going to shoot. I have alway lost first round accuracy with any oiled bores and have stopped doing it completely. I have grown to trust the suggestions BoreTech gives. Also I never seen slowed velocities from an oiled bore like you did. I actually saw increased velocity and impacts points were high when oil was in the bore until it was burnt out or "fouled" . Maybe a difference in oil ? Also, have you ever considered what kind on film oil could leave in a bore when introudcd to the high temps of firing a round? Just something I have thought about, maybe irrelevant, but could leave some additional carbon and now the clean bore is off to a bad start. It is my understanding that CU+2 is not intended for carbon removal. I was surprised you felt it did good at this. I use BoreTech C-4 when using CU+2 on severly coppered bores. But Elininator does get carbon as well as copper and I use it alone on all my precision rifle bores. As with you I have spent some time testing. My esting was done in the field and on the range with my ifles. I will not suggestthat everyone will get the same results. But I will tell you I jave proven this method to myself and it does work for me. In ending, I have yet to see any amonia based cleaner get more copper than BoreTech. Even the stinkest of the bunches I tested. I guess I a done with amonias and feel there is no need to take the chance of barrel damage from amonia left in to long. I know KG is not amonia based, but felt te need to add this is that I have seen. Jeff [/QUOTE]
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