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Remington 700 Rebarrel questions
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<blockquote data-quote="AZShooter" data-source="post: 1018920" data-attributes="member: 5219"><p>If you have only used hoppe's copper solvent I would suggest you have copper in your bore. CR-10 or Sweets 7.62 are much more aggressive copper cleaners and are readily available. They can't be left in the bore for very long as the ammonia can etch the steel. They must be totally removed after use. Barnes recommends CRC brake clean in the green can to remove their solvent. </p><p></p><p></p><p>I use Bore tech eliminator. It does a great job on powder residue and copper fouling. A bonus is that it can be left in the bore. I often will push several patches through then let it sit with a wet bore. In some instances with my older, hard to clean, barrels I may leave the rifle soaking for a few days. To save patches I use a slotted tip with a wet patch and run it in and out several times then wait. Come back push a wet patch through and again use the slotted tip method with a new patch. </p><p></p><p></p><p><a href="http://ads.midwayusa.com/product/2093155799/bore-tech-eliminator-bore-cleaning-solvent-liquid" target="_blank">Bore Tech Eliminator Bore Cleaning Solvent Liquid</a></p><p></p><p></p><p></p><p></p><p>On some occasions when a bore is really powder fouled I will use JB borepaste in the beginning after a few patches of Bore tech to penetrate the fouling.</p><p></p><p> <a href="http://www.brownells.com/gun-cleaning-chemicals/solvents-degreasers/bore-cleaning-paste/j-b-bore-cleaning-compound-2-oz--sku083065002-1160-4121.aspx" target="_blank">http://www.brownells.com/gun-cleaning-chemicals/solvents-degreasers/bore-cleaning-paste/j-b-bore-cleaning-compound-2-oz--sku083065002-1160-4121.aspx</a></p><p></p><p> I have also used IOSSO to remove stubborn fouling. It is less aggressive than JB and really shines up the bore. It will take out the last bit of stubborn powder fouling and copper. I have a Bartlein 5R barrel in 6mm-284. It lost its tiny grouping at 200 yds. At the time I didn't own a borescope. My friend Dan, who shoots 1000 BR, suggested we take a look with his borescope. We discovered a narrow layer of black substance in the "corner" of the lands and grooves 4" from the end of the barrel. He told me to use Iosso on a tight fitting patch and rub it back and forth in the affected area. It removed the stubborn fouling and the gun shot tight groups once again. That is when I became a believer on using borescopes AND Iosso. </p><p></p><p> <a href="http://ads.midwayusa.com/product/178538/iosso-bore-cleaning-and-polishing-compound-paste-1-1-2-oz-tube" target="_blank">Iosso Bore Cleaning Polishing Compound Paste 1-1/2oz Tube</a></p><p></p><p></p><p>When the bore gets totally clean you may find it takes one or two fouling shots before the bullets go to the proper POI. </p><p></p><p>Again, be sure to let us know what you discover. </p><p></p><p>Ross</p></blockquote><p></p>
[QUOTE="AZShooter, post: 1018920, member: 5219"] If you have only used hoppe's copper solvent I would suggest you have copper in your bore. CR-10 or Sweets 7.62 are much more aggressive copper cleaners and are readily available. They can't be left in the bore for very long as the ammonia can etch the steel. They must be totally removed after use. Barnes recommends CRC brake clean in the green can to remove their solvent. I use Bore tech eliminator. It does a great job on powder residue and copper fouling. A bonus is that it can be left in the bore. I often will push several patches through then let it sit with a wet bore. In some instances with my older, hard to clean, barrels I may leave the rifle soaking for a few days. To save patches I use a slotted tip with a wet patch and run it in and out several times then wait. Come back push a wet patch through and again use the slotted tip method with a new patch. [url=http://ads.midwayusa.com/product/2093155799/bore-tech-eliminator-bore-cleaning-solvent-liquid]Bore Tech Eliminator Bore Cleaning Solvent Liquid[/url] On some occasions when a bore is really powder fouled I will use JB borepaste in the beginning after a few patches of Bore tech to penetrate the fouling. [url]http://www.brownells.com/gun-cleaning-chemicals/solvents-degreasers/bore-cleaning-paste/j-b-bore-cleaning-compound-2-oz--sku083065002-1160-4121.aspx[/url] I have also used IOSSO to remove stubborn fouling. It is less aggressive than JB and really shines up the bore. It will take out the last bit of stubborn powder fouling and copper. I have a Bartlein 5R barrel in 6mm-284. It lost its tiny grouping at 200 yds. At the time I didn't own a borescope. My friend Dan, who shoots 1000 BR, suggested we take a look with his borescope. We discovered a narrow layer of black substance in the "corner" of the lands and grooves 4" from the end of the barrel. He told me to use Iosso on a tight fitting patch and rub it back and forth in the affected area. It removed the stubborn fouling and the gun shot tight groups once again. That is when I became a believer on using borescopes AND Iosso. [url=http://ads.midwayusa.com/product/178538/iosso-bore-cleaning-and-polishing-compound-paste-1-1-2-oz-tube]Iosso Bore Cleaning Polishing Compound Paste 1-1/2oz Tube[/url] When the bore gets totally clean you may find it takes one or two fouling shots before the bullets go to the proper POI. Again, be sure to let us know what you discover. Ross [/QUOTE]
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