do tuners "cheat" barrel harmonics or is there another way to duplicate previous barrel

ARlife4me

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just like the title says! for those barrels that have short life i've been thinking about getting 3-5 at a time to save time on waiting. doing a "switch lug" or "mrad" types will make it easier for pre-testing/load development. any other insight is appreciated!
 
With use of a tuner, you can initially develop purely for a powder node, then use the tuner to reach a barrel node on top of the powder node.
If your other barrels are from same steel lot, and finished the same, your powder node should hold, and you'll be close with prior tuner setting.
It IS cheating.
 
With use of a tuner, you can initially develop purely for a powder node, then use the tuner to reach a barrel node on top of the powder node.
If your other barrels are from same steel lot, and finished the same, your powder node should hold, and you'll be close with prior tuner setting.
It IS cheating.
i haven't used or needed a "tuner" as of yet. thinking of possibilities ahead and hopefully barrels of the same lot is why. would a custom reamer or a specific reamer to the cartridge hold a more truer possibility of obtaining a more equal barrel to barrel process?
 
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