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Hunting
Long Range Hunting & Shooting
throat erosion?
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<blockquote data-quote="dfanonymous" data-source="post: 2632630" data-attributes="member: 97050"><p>Actually this is a normal life cycle of a barrel. When it's new, MV will change until it reaches a copper equilibrium.</p><p>For those that leave their barrels fouled, the MV will stay fairly consistent around a wide curve of shots.</p><p></p><p>Then as described above, as the throat erodes, you will notice velocity drop off, and usually there will NOT be a accuracy drop off. Most people will retrue their data, and the new MV is rebaselined.</p><p></p><p>Then one day, you'll get the fliers and it won't group. Then congratulations, you dun burned out your barrel. So a smith either cuts it back, or you get a new one, either way you end up spending money, on top of the money you spend on ammo that burned the barrel out in the first place.</p></blockquote><p></p>
[QUOTE="dfanonymous, post: 2632630, member: 97050"] Actually this is a normal life cycle of a barrel. When it’s new, MV will change until it reaches a copper equilibrium. For those that leave their barrels fouled, the MV will stay fairly consistent around a wide curve of shots. Then as described above, as the throat erodes, you will notice velocity drop off, and usually there will NOT be a accuracy drop off. Most people will retrue their data, and the new MV is rebaselined. Then one day, you’ll get the fliers and it won’t group. Then congratulations, you dun burned out your barrel. So a smith either cuts it back, or you get a new one, either way you end up spending money, on top of the money you spend on ammo that burned the barrel out in the first place. [/QUOTE]
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throat erosion?
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