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<blockquote data-quote="diggler1833" data-source="post: 3847666" data-attributes="member: 48072">You are correct in shooting cadence and it&#039;s effect on barrel (throat) wear.&nbsp; So are a lot of other factors.1,500 is being extremely generous in many cartridges though...especially the moment their run hard for a day or two (which is impossible to tell without inspection with a borescope).&nbsp; It isn&#039;t uncommon for many of those cartridges to burn .007 or more of throat every 100 rounds without being pushed hard. As a lover of all things .22-250, I am unfortunately very aware of this.^ Now, accuracy expectations depend on the owner.&nbsp; If my rifle goes from .5 MOA to 1.5 MOA and I lose 75-100 FPS, or I start throwing uncalled fliers, I&#039;m trashing the barrel...hence my original post about factoring a barrel swap if I buy a rifle chambered in a cartridge known to be a &quot;barrel burner&quot;.&nbsp; ^&nbsp; Therefore barrel life is subjective as well.&nbsp; For someone who is happy with MOA + performance, or doesn&#039;t mind setting the barrel back, then maybe they&#039;ll get another 500 rounds out of a barrel than I will.</blockquote>

[QUOTE="diggler1833, post: 3847666, member: 48072"] You are correct in shooting cadence and it's effect on barrel (throat) wear. So are a lot of other factors. 1,500 is being extremely generous in many cartridges though...especially the moment their run hard for a day or two (which is impossible to tell without inspection with a borescope). It isn't uncommon for many of those cartridges to burn .007 or more of throat every 100 rounds without being pushed hard. As a lover of all things .22-250, I am unfortunately very aware of this. ^ Now, accuracy expectations depend on the owner. If my rifle goes from .5 MOA to 1.5 MOA and I lose 75-100 FPS, or I start throwing uncalled fliers, I'm trashing the barrel...hence my original post about factoring a barrel swap if I buy a rifle chambered in a cartridge known to be a "barrel burner". ^ Therefore barrel life is subjective as well. For someone who is happy with MOA + performance, or doesn't mind setting the barrel back, then maybe they'll get another 500 rounds out of a barrel than I will. [/QUOTE]

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