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Long Range Hunting & Shooting
What really causes a barrel to wear out...
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<blockquote data-quote="Sflutes" data-source="post: 1577854" data-attributes="member: 106464"><p>Actually it's real hard to wear out a barrel, what normally happens is you erode the throat.</p><p>The throat is eroded from the hot gasses of the burning powder. Cartridges that erode the throat sooner than others are ones like the 300 Win Mag, 220 Swift, etc. Large capacity cases with small bore diameters. (Small when compared to the size of the case)</p><p>Another part of the barrel that is subject to wear is the muzzle. It is normally worn by improper cleaning technique. GI's would often hastily clean their M1's with the steel cleaning rod and wear the muzzle end of their rifles out. (Of course their main concern was not the wear on the barrel it was staying alive)</p><p>There were concerns with barrel wear when corrosive priming was used. The corrosive salt would form and rust the barrel that would literally erode the rifling. (This normally would happen when barrels were not cleaned)</p><p>Often a worn-out barrel can be set back and rechambered and the crown recut. This often restores the rifle to good shooting condition. (Provided it's not full of rust or pitting)</p></blockquote><p></p>
[QUOTE="Sflutes, post: 1577854, member: 106464"] Actually it's real hard to wear out a barrel, what normally happens is you erode the throat. The throat is eroded from the hot gasses of the burning powder. Cartridges that erode the throat sooner than others are ones like the 300 Win Mag, 220 Swift, etc. Large capacity cases with small bore diameters. (Small when compared to the size of the case) Another part of the barrel that is subject to wear is the muzzle. It is normally worn by improper cleaning technique. GI's would often hastily clean their M1's with the steel cleaning rod and wear the muzzle end of their rifles out. (Of course their main concern was not the wear on the barrel it was staying alive) There were concerns with barrel wear when corrosive priming was used. The corrosive salt would form and rust the barrel that would literally erode the rifling. (This normally would happen when barrels were not cleaned) Often a worn-out barrel can be set back and rechambered and the crown recut. This often restores the rifle to good shooting condition. (Provided it's not full of rust or pitting) [/QUOTE]
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What really causes a barrel to wear out...
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