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The Range
Rifle & Shotgun Discussion
Barrel break in? TMS bullets?
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<blockquote data-quote="JEVapa" data-source="post: 4077748" data-attributes="member: 41176"><p>A cloth patch and brush aren't going to knock down and polish out any burrs or whatever. Some people hone their bores and Tubbs has his barrel revitalizing kits like the abrasive bullet kits you linked. </p><p></p><p>The way we used to break in our M24s and MK11s is, in addition to a carbon solvent like Hoppes or Shooter's, we used a good copper solvent like Sweet's. Copper fouling removal is key because that's what is hanging up on the burrs and causes issues later on. We would do 100 round break-ins and then zero. I don't think you need that many but that's what we did. I've done 40 round break-ins and not noticed anything, but I used Sweet's the whole time. </p><p></p><p>The projo will knock down and smooth out the burrs but the copper solvent will remove the copper and let just the projo hit the burr instead of the projo hitting the burr and copper build up. <--this is what your doing to break it in. </p><p>The sandpaper bullet kits just speed up the process.</p><p></p><p>During break-in, you wanna use a bore paste like JB to polish once or twice. A little jar will last forever.</p><p> </p><p>Real jags, good coated or fiberglass rods, and bore guides are key.</p><p></p><p>Given the jags, Rods, Bore guides, bronze brushes, you will need a good carbon solvent and a good copper solvent minimum. There's a whole technique for using these and a lot of people have their own magic of cleaning a bore, but most also probably do it wrong.</p></blockquote><p></p>
[QUOTE="JEVapa, post: 4077748, member: 41176"] A cloth patch and brush aren't going to knock down and polish out any burrs or whatever. Some people hone their bores and Tubbs has his barrel revitalizing kits like the abrasive bullet kits you linked. The way we used to break in our M24s and MK11s is, in addition to a carbon solvent like Hoppes or Shooter's, we used a good copper solvent like Sweet's. Copper fouling removal is key because that's what is hanging up on the burrs and causes issues later on. We would do 100 round break-ins and then zero. I don't think you need that many but that's what we did. I've done 40 round break-ins and not noticed anything, but I used Sweet's the whole time. The projo will knock down and smooth out the burrs but the copper solvent will remove the copper and let just the projo hit the burr instead of the projo hitting the burr and copper build up. <--this is what your doing to break it in. The sandpaper bullet kits just speed up the process. During break-in, you wanna use a bore paste like JB to polish once or twice. A little jar will last forever. Real jags, good coated or fiberglass rods, and bore guides are key. Given the jags, Rods, Bore guides, bronze brushes, you will need a good carbon solvent and a good copper solvent minimum. There's a whole technique for using these and a lot of people have their own magic of cleaning a bore, but most also probably do it wrong. [/QUOTE]
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