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Old 02-06-2017, 10:34 AM
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Why lube?


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I'm obviously a reloading novice to be asking this question...

It seem that only cast lead (including hard-cast) bullets have lube grooves. I've never seen them on a jacketed bullet.

So my question is why? Is it simply to prevent lead fowling?

When is lead fowling the worst? At magnum pressures? Does lowering pressure/velocity always help prevent lead fowling?

When do you worry about copper fowling and what can be done to prevent that?
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Old 02-06-2017, 10:41 AM
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Your thinking right. Your question is huge. The search function here on this board is your friend.

Cheezywan
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Old 02-06-2017, 10:45 AM
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I'm not good at navigating the forum yet. After posting my "Why lube" thread I discovered this link:
Bullet lube ingredients, uses, sources, descriptions, recipes and more

It has answered many of my questions.
CPL Lou likes this.
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Old 02-06-2017, 03:02 PM
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Lead bullet casting/loading is an endeavor unto itself, it can be frustrating, then very rewarding.

And to answer your question, yes the lube is to *help* prevent leading, but there are other factors that can contribute.
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Old 02-08-2017, 12:43 PM
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The only bad fowling is when you don't get your bird.
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Old 02-08-2017, 01:16 PM
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Military loaded cartridges for the Swiss K-31 have a lube. A little round ring right at the case neck/bullet. Their bullets are usually cupro-nickel jacketed, so maybe it is a carryover from the old days.
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Old 02-08-2017, 03:06 PM
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For your specific questions on lead you might try a cast bullets board. There are several with guys that have been there done that and can answer about any question you have under the sun.
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