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Rifles, Reloading, Optics, Equipment
Rifles, Bullets, Barrels & Ballistics
New Barrel Break-in And Cleaning Methods
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<blockquote data-quote="coyotezapper" data-source="post: 1330261" data-attributes="member: 20438"><p>The step under "Persistent Carbon Fouling" is often ignored and can lead to premature throat erosion IME. I polish the throat every 200-250 rounds depending on how overbore the cartridge is and have found that this step increases barrel life or more specifically the need for setting back the barrel is not needed as soon. I have seen this in 7STW and 7RUM barrels that have maintained accuracy way past the normal accepted round count when keeping the throat polished.</p></blockquote><p></p>
[QUOTE="coyotezapper, post: 1330261, member: 20438"] The step under "Persistent Carbon Fouling" is often ignored and can lead to premature throat erosion IME. I polish the throat every 200-250 rounds depending on how overbore the cartridge is and have found that this step increases barrel life or more specifically the need for setting back the barrel is not needed as soon. I have seen this in 7STW and 7RUM barrels that have maintained accuracy way past the normal accepted round count when keeping the throat polished. [/QUOTE]
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Rifles, Reloading, Optics, Equipment
Rifles, Bullets, Barrels & Ballistics
New Barrel Break-in And Cleaning Methods
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