bullet lube

Shotgun Ammunition Reloading.
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remmy870
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bullet lube

Post by remmy870 » Sat Jul 15, 2017 8:46 pm

quick question: do you need to lube <lubricate> slugs like the LEE and lyman 12g slugs?. and what is the purpose of lube please explain more if any one knows thanks

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Synchronizor
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Re: bullet lube

Post by Synchronizor » Sat Jul 15, 2017 10:51 pm

Bullet lube helps with sealing, and limits leading when shooting unjacketed lead bullets in rifled barrels. The physics and mechanisms involved in this are pretty interesting, this page goes into a lot of detail if you're interested.

As smoothbore firearms that operate at relatively low pressures, shotgun barrels are far less susceptible to leading. Furthermore, shotgun slug loads use gas seals to provide the sealing, rather than the projectile itself, so gas cutting and other leading mechanisms are not really a concern. On top of all that, many slugs like the Lee Drive Key Slugs are sub-gauge projectiles that are meant to be used with plastic shot cups or some other type of sabot or spacer, so they aren't even making contact with the barrel on their way through it. The same goes for the majority of slugs designed for use in rifled shotgun barrels.

So, no, there's no need to lube your shotgun slugs. It shouldn't hurt anything, but it's not necessary.

remmy870
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Joined: Tue May 09, 2017 12:42 pm

Re: bullet lube

Post by remmy870 » Sun Jul 16, 2017 8:11 pm

thanks for the reply got the answer. thanks

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