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Long Range Hunting & Shooting
Why factory ammo still shoots pretty accurately after time and handloads seem to diminish accuracy over time
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<blockquote data-quote="Ckleeves" data-source="post: 2562631" data-attributes="member: 83259"><p>Who says factory ammo doesn't cold weld? I would say it's no different then reloads IME pulling down factory ammo for brass. </p><p></p><p>If your loading at sane pressures I think it's pretty unlikely that you could actually get into a overpressure issue with cold welding. I'm sure it can happen but I have shot plenty of 20+ year old reloads and zero issues except for maybe bad ES. </p><p></p><p>The symptoms of cold welding usually show up over the chronograph and most factory ammo is pretty bad on ES so it would be a little hard to prove since the baseline of "fresh" factory ammo probably isn't going to be great anyway. </p><p></p><p>It's easy to prevent so there really isn't a reason to end up with it in the first place. Don't sonic clean brass, don't stainless media tumble it to death and strip all the carbon out of the necks and use a dry lube. If It's virgin brass use dry lube and seat longer then your actual seating depth and then just bump them to the correct seating depth when it's time to shoot if it's something your really worried about.</p></blockquote><p></p>
[QUOTE="Ckleeves, post: 2562631, member: 83259"] Who says factory ammo doesn’t cold weld? I would say it’s no different then reloads IME pulling down factory ammo for brass. If your loading at sane pressures I think it’s pretty unlikely that you could actually get into a overpressure issue with cold welding. I’m sure it can happen but I have shot plenty of 20+ year old reloads and zero issues except for maybe bad ES. The symptoms of cold welding usually show up over the chronograph and most factory ammo is pretty bad on ES so it would be a little hard to prove since the baseline of “fresh” factory ammo probably isn’t going to be great anyway. It’s easy to prevent so there really isn’t a reason to end up with it in the first place. Don’t sonic clean brass, don’t stainless media tumble it to death and strip all the carbon out of the necks and use a dry lube. If It’s virgin brass use dry lube and seat longer then your actual seating depth and then just bump them to the correct seating depth when it’s time to shoot if it’s something your really worried about. [/QUOTE]
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Why factory ammo still shoots pretty accurately after time and handloads seem to diminish accuracy over time
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