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Rifles, Reloading, Optics, Equipment
Rifles, Bullets, Barrels & Ballistics
Break in problems?
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<blockquote data-quote="Jeff In TX" data-source="post: 174274" data-attributes="member: 1522"><p>Diezel,</p><p></p><p>I mean this not a flame but to help. Stop this insanity of barrel breakin especially with a factory barrel, not to mention you're shooting a 300 WM which has a very limited and short barrel life to begin with.</p><p></p><p>Barrel breakin is a myth and a waist of time and effort. Now before anyone jumps up and down, show me hard core evidence i.e. progressive enhanced bore scope evidence that cleaning after every round is actually doing something. There's just no such thing as breaking in a barrel. About the only thing it can help with is smoothing the chamber transition into the throat area but using a bore scope we haven't seen any real evidence that cleaning is making a difference. Ever barrel is different and a factory barrel is a crap shoot, but after x number of rounds the throat and chamber area transition together and any sharp machine edges from cutting the chamber smooth out.</p><p></p><p>If you're worried about copper fouling and trying to smooth out your bore the best advice I can offer you is get a box of Tubb's Final Finish in .300 WM for $34.99 at Midway USA. <a href="http://www.midwayusa.com/eproductpage.exe/showproduct?saleitemid=972704&t=11082005" target="_blank">MidwayUSA - Tubb Final Finish Bore Lapping Ammunition 300 Winchester Magnum Box of 20</a></p><p></p><p></p><p>This will help smooth the chamber and throat area transition and help smooth out the inside of the barrel to a degree. Most of the polishing of the barrel will be in the throat area and few inches past the throat and the rest of the barrel will also see some benefit also.</p><p></p><p>If you decide to use Tubb's Final Finish, don't fret it you still get a little copper fouling. That's not always a bad thing. The little bit of copper fouling you get is probably filling in any micro grooves that the Final Finish didn't get out and it helping to smooth the barrel out. </p><p></p><p>Best if luck and let us know how it goes.</p></blockquote><p></p>
[QUOTE="Jeff In TX, post: 174274, member: 1522"] Diezel, I mean this not a flame but to help. Stop this insanity of barrel breakin especially with a factory barrel, not to mention you’re shooting a 300 WM which has a very limited and short barrel life to begin with. Barrel breakin is a myth and a waist of time and effort. Now before anyone jumps up and down, show me hard core evidence i.e. progressive enhanced bore scope evidence that cleaning after every round is actually doing something. There’s just no such thing as breaking in a barrel. About the only thing it can help with is smoothing the chamber transition into the throat area but using a bore scope we haven’t seen any real evidence that cleaning is making a difference. Ever barrel is different and a factory barrel is a crap shoot, but after x number of rounds the throat and chamber area transition together and any sharp machine edges from cutting the chamber smooth out. If you’re worried about copper fouling and trying to smooth out your bore the best advice I can offer you is get a box of Tubb’s Final Finish in .300 WM for $34.99 at Midway USA. [url=http://www.midwayusa.com/eproductpage.exe/showproduct?saleitemid=972704&t=11082005]MidwayUSA - Tubb Final Finish Bore Lapping Ammunition 300 Winchester Magnum Box of 20[/url] This will help smooth the chamber and throat area transition and help smooth out the inside of the barrel to a degree. Most of the polishing of the barrel will be in the throat area and few inches past the throat and the rest of the barrel will also see some benefit also. If you decide to use Tubb’s Final Finish, don’t fret it you still get a little copper fouling. That’s not always a bad thing. The little bit of copper fouling you get is probably filling in any micro grooves that the Final Finish didn’t get out and it helping to smooth the barrel out. Best if luck and let us know how it goes. [/QUOTE]
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