Streight walled rifle case lube?


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Eric F
March 21, 2008, 12:13 PM
Do you have to lube the cases on straight walled rifle cartridges? Like 45-70 45-90 50-90 or 50-140?

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rcmodel
March 21, 2008, 12:30 PM
Unless you are using a carbide sizing die, yes!

And even with a carbide die, a little case lube never hurt a thing.
Makes sizing much easier.

Anytime you resize a brass case of any caliber in a steel die, you must use case lube. Otherwise, the brass will gald and tiny particles will stick to the steel surface.
After that, every case will have matching scratches.

rcmodel

Seafarer12
March 21, 2008, 12:39 PM
I agree with rcmodel.

Only thing I don't lube are straight walled pistol cases. All my dies are carbide and I clean the cases before I size them.

ReloaderFred
March 21, 2008, 12:47 PM
I load .45-70 and .45-120 Sharps. Both must be lubed prior to sizing. I've found the spray lubes to work best for me.

Hope this helps.

Fred

snuffy
March 21, 2008, 01:18 PM
The "straight walled" name is misleading. They are actually tapered to a small degree, so they absolutely need to be lubed. They are tapered so that they will release from the chamber after being fired. Any tapered item shoved into a tapered hole will stick. Tapered shafts are the foundation of many machines. They naturally hold by their design.

Not lubing will result in a stuck case. Then you will be on here asking "how do I get a stuck case out of my die"? As RC said, it may gall the case leaving some brass behind that will have to be removed.

flashhole
March 22, 2008, 12:22 PM
The carbide dies in the sizes you are talking about are prohibitively expensive to make. Yes, you need to lube. I load 45-70, the best lube is Imperial Die Sizing Wax.

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