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Long Range Hunting & Shooting
7mm rem mag barrel life?????
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<blockquote data-quote="Guy M" data-source="post: 489816" data-attributes="member: 8622"><p>I do some NRA Highpower shooting - mostly the prone matches. </p><p></p><p>Often I'll notice that a good barrel will still be shooting good scores as the round count mounts, but eventually I'm getting fewer and fewer X-ring hits out at 600 yards. Hmmm... Might be me, I'm certainly not a perfect shooter, but... Usually that's time for me to re-barrel. </p><p></p><p>A gunsmith with a good bore-scope can get you a look at the throat erosion on your barrel. It's quite an education seeing what was all nicely polished now looking like alligator skin. With the naked eye it can appear a bit "grayish" or almost smokey looking inside the barrel, in the throat area. </p><p></p><p>Point has already been made that barrel life is very much dependent on your standards - what you will accept for accuracy. If you insist on 1/2 MOA, well, you may well already be well past that. If one MOA accuracy is your goal, you're likely okay for quite a while. </p><p></p><p>Frankly, for big game, a one MOA rifle will do quite nicely out at 400 - 500 yards, if the hunter/shooter is up to placing the shot well in the first place. </p><p></p><p>Barrels are like tires - even the good ones wear out eventually. Take it as an opportunity for a serious upgrade to your rifle, and a chance to try something from Krieger, Broughton, Lilja, Hart or whatever is your poison.</p><p></p><p>Regards, Guy</p></blockquote><p></p>
[QUOTE="Guy M, post: 489816, member: 8622"] I do some NRA Highpower shooting - mostly the prone matches. Often I'll notice that a good barrel will still be shooting good scores as the round count mounts, but eventually I'm getting fewer and fewer X-ring hits out at 600 yards. Hmmm... Might be me, I'm certainly not a perfect shooter, but... Usually that's time for me to re-barrel. A gunsmith with a good bore-scope can get you a look at the throat erosion on your barrel. It's quite an education seeing what was all nicely polished now looking like alligator skin. With the naked eye it can appear a bit "grayish" or almost smokey looking inside the barrel, in the throat area. Point has already been made that barrel life is very much dependent on your standards - what you will accept for accuracy. If you insist on 1/2 MOA, well, you may well already be well past that. If one MOA accuracy is your goal, you're likely okay for quite a while. Frankly, for big game, a one MOA rifle will do quite nicely out at 400 - 500 yards, if the hunter/shooter is up to placing the shot well in the first place. Barrels are like tires - even the good ones wear out eventually. Take it as an opportunity for a serious upgrade to your rifle, and a chance to try something from Krieger, Broughton, Lilja, Hart or whatever is your poison. Regards, Guy [/QUOTE]
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7mm rem mag barrel life?????
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