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Old 01-10-2012, 10:06 PM
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Default Bullet Fit the cylinder

The bullet are they Just push fit in the Cylinder Throat are Hard fit. Right now they are a real hard fit. I can not push then out of the cylinder throat. Thank for help
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Old 01-10-2012, 10:17 PM
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I assume you are asking about cast bullets? If a standard diameter jacketed bullet doesn't pass through the throats completely freely, drop through, the throats need to be enlarged by reaming or polishing. If you have slugged the barrel and determined the bore slug will pass through the throats with slight, less than 1 pound, pressure then size your bullets so the pass the throats with about the same pressure or slightly more. No matter what, they should not be so hard to pass the throats that they have to be driven.
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Old 01-12-2012, 04:32 PM
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Originally Posted by Alk8944 View Post
I assume you are asking about cast bullets? If a standard diameter jacketed bullet doesn't pass through the throats completely freely, drop through, the throats need to be enlarged by reaming or polishing. If you have slugged the barrel and determined the bore slug will pass through the throats with slight, less than 1 pound, pressure then size your bullets so the pass the throats with about the same pressure or slightly more. No matter what, they should not be so hard to pass the throats that they have to be driven.
Are the "flex hone" hones a good tool to use for cleaning up the throats?

If so, which grit is best, or what hone material works best.

I have a couple cylinders on different guns that look a little rough in the throats, but they measure OK. I was afraid to run anything through them so as not to remove any material that would open them up too much.

Thanks!
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Old 01-12-2012, 10:42 PM
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Originally Posted by Sevenshooter View Post
Are the "flex hone" hones a good tool to use for cleaning up the throats?

If so, which grit is best, or what hone material works best.

I have a couple cylinders on different guns that look a little rough in the throats, but they measure OK. I was afraid to run anything through them so as not to remove any material that would open them up too much.

Thanks!
Best is buy a reamer the size you need or .0005-001 undersize. Special sizes can be ordered from any tool house that stocks machine shop tooling.

Other than this a second option is a slotted rod or dowel and Aloxite or similar Aluminum oxide polishing cloth. Use it in your drill press at slow speed and the cylinder held flat on the table. Check size frequently by slugging. 320 grit is plenty fine, it will take a lot longer than you would think.

The important thing is to keep everything square and don't funnel mouth the throats by running the polishing bob all the way through and then back into the throat.

A small spindle type cylinder hone would work well to, but a flex hone isn't the tool for removal of any stock.
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