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Rifles, Reloading, Optics, Equipment
Rifles, Bullets, Barrels & Ballistics
What kills barrel life on bigger magnums?
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<blockquote data-quote="Kennibear" data-source="post: 891501" data-attributes="member: 51650"><p>supercrossbmx69</p><p></p><p>Every thing said so far is sound advice. The actions of the shooter do more to kill the life of the barrel. But the question should probably be: How do I maximize my barrel life?</p><p></p><p>The difference between the two, 11 grains or so, doesn't really affect barrel life at these extremes. Some but not much. So my $0.02:</p><p></p><p>1) Overbore cartridges benefit greatly from increased barrel length. If you consider the lesser cartridge with 4" more barrel you could achieve the same velocity (or there about).</p><p>2) Ball powder has shown to lessen barrel erosion over tubular powders. Tested by the D.O.D. in machine gun barrels. Triple based powders also reduce wear, specially in cannons.</p><p>3) Bullet type and construction counts. No way us mortals can determine that. Boat tails cause more erosion than flat base.</p><p>4) the M60 barrels came with Stelite chambers to last longer. Barrel steel makes a difference but for this I put my faith in the barrel maker. Their recommendation would be Gospel for me.</p><p>5) Cleaning adds life. Over cleaning subtracts life. I clean but count on the bore solvent to cut the crud. Rod guide obviously. Rods can destroy a barrel throat in short order. But clean barrels last longer. I tried Barnes CR10 yesterday. WOW!</p><p>6) Break it in. Ask the barrel maker how. If they tell you to shoot the first three rounds while tap dancing in a tutu I would consider it.</p><p></p><p>royinidaho did what others have tried (P.O. Ackley et al). Artillery shells use flash tubes, but are not reloaded. It works, with complications. But then television was invented in Idaho too! (Farnsworth) If I could I would!</p><p></p><p>Pick a cartridge of choice. But whatever it is treat your barrel right and figure you only have a fixed # of rounds to get 'er done.</p><p></p><p>KB</p></blockquote><p></p>
[QUOTE="Kennibear, post: 891501, member: 51650"] supercrossbmx69 Every thing said so far is sound advice. The actions of the shooter do more to kill the life of the barrel. But the question should probably be: How do I maximize my barrel life? The difference between the two, 11 grains or so, doesn't really affect barrel life at these extremes. Some but not much. So my $0.02: 1) Overbore cartridges benefit greatly from increased barrel length. If you consider the lesser cartridge with 4" more barrel you could achieve the same velocity (or there about). 2) Ball powder has shown to lessen barrel erosion over tubular powders. Tested by the D.O.D. in machine gun barrels. Triple based powders also reduce wear, specially in cannons. 3) Bullet type and construction counts. No way us mortals can determine that. Boat tails cause more erosion than flat base. 4) the M60 barrels came with Stelite chambers to last longer. Barrel steel makes a difference but for this I put my faith in the barrel maker. Their recommendation would be Gospel for me. 5) Cleaning adds life. Over cleaning subtracts life. I clean but count on the bore solvent to cut the crud. Rod guide obviously. Rods can destroy a barrel throat in short order. But clean barrels last longer. I tried Barnes CR10 yesterday. WOW! 6) Break it in. Ask the barrel maker how. If they tell you to shoot the first three rounds while tap dancing in a tutu I would consider it. royinidaho did what others have tried (P.O. Ackley et al). Artillery shells use flash tubes, but are not reloaded. It works, with complications. But then television was invented in Idaho too! (Farnsworth) If I could I would! Pick a cartridge of choice. But whatever it is treat your barrel right and figure you only have a fixed # of rounds to get 'er done. KB [/QUOTE]
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What kills barrel life on bigger magnums?
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