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Rifles, Reloading, Optics, Equipment
Rifles, Bullets, Barrels & Ballistics
4,000+ fps How Long to Burn the Barrel
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<blockquote data-quote="Trickymissfit" data-source="post: 552307" data-attributes="member: 25383"><p>there is a little more to the equation than just going 4000 fps at the muzzle. Case design and throat design are also major factors to this as well. Longer necks verses shorter necks are well known to promote a longer barrel life. Even certain types of powders will errode a throat quicker than others will. Plus the shoulder angle has a lot to do with throat life. Then there's also the idea that certain powders produce a higher range of heat during their burn than others do (4064 comes to light). Huge cases that are very overbore tend to also blast the barrel like a sand blaster with unburnt powder granules.</p><p>gary</p></blockquote><p></p>
[QUOTE="Trickymissfit, post: 552307, member: 25383"] there is a little more to the equation than just going 4000 fps at the muzzle. Case design and throat design are also major factors to this as well. Longer necks verses shorter necks are well known to promote a longer barrel life. Even certain types of powders will errode a throat quicker than others will. Plus the shoulder angle has a lot to do with throat life. Then there's also the idea that certain powders produce a higher range of heat during their burn than others do (4064 comes to light). Huge cases that are very overbore tend to also blast the barrel like a sand blaster with unburnt powder granules. gary [/QUOTE]
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Rifles, Reloading, Optics, Equipment
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4,000+ fps How Long to Burn the Barrel
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