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MP molds use wheel weights to regulate their molds. From their email reply.

Bullet diameters need measuring as cast & after sizing.

As cast can be to small to size.

After sizing, different alloys spring back differently. Hard alloys spring back more.


May not...

The question to ask mold makers is........

"What alloy is used to regulate the molds?

Bullet as cast diameter changes with the alloy used. More antimony, larger, lighter bullets. For 9mm, i size to .356" + ...

All Vihtavuori reloading powders produced today have an added decoppering agent. Today they're usually bismuth or a tin-bismuth combination.

This is whats let over after firing.

Go to 158 gr lswc & reduce powder charge 3% . https://www.thehighroad.org/index.php?media/357-magnum.2913/full

Try 1 round using 200 gr data, with your 175 grain.

Old Win Data in photo.

Works with plain base cast. Reduce 3% for a starting load. Load 1 as a test. Mag primers. https://www.thehighroad.org/index.php?media/357-magnum.2913/full

Do NOT use old Speer data. Many over pressure, maximum loads.

The chart came with my Lyman mold. https://www.thehighroad.org/index.php?media/lyman-alloy-chart.3536/full

Lyman- While antimony is used to harden the bullet, the mixture of tin is critical, for while antimony mixes with lead in its molten state, it will not remain mixed when it solidifies. If tin were...

⅕https://www.redding-reloading.com/mail-order-dealers/index.php?option=com_content&view=article&id=88:bullet-moulds-charts

Bullet Sizes & Weights – How to Vary Them
The bullet diameters and...

Bullet Sizes & Weights – How to Vary Them
The bullet diameters and weights presented in this list are based on the use of Taracorp’s Lawrence Magnum bullet alloy (2% tin, 6% antimony, 1/4% arsenic,...

Loading for more then 1 chamber, has to make loading harder.

But factory ammo works in all.

https://www.thehighroad.org/index.php?media/albums/taurus-g3c-9mm-luger.317/

Cast a few bullets. Is the as cast diameter large enough? If no, add linotype till diameters are ok.

Your alloy is to soft for my liking. I always add 2" of Rotometals linotype bar, to my Lee...

My #130 same as yours. Fat & heavy. I used 200 gr data to load. . Your can add linotype to bring the weight down, but thats a waste of linotype.

My most accurate bullet is the Lyman 200 gr...

Looks ok. Just lightly crimp in the crinp groove, as it looks like you did. Your 2/10 gr below starting load listed. Should be fine.
Data link -...

If primers dont fall out, all by them selves, load and shoot. Shotguns very low pressure.

Worth $1.25 The pipe will not want to melt. I had to grind* off the crud to bare metal , so it would. Just grind a small area, not the whole pipe. It was very soft, near pure.

Add linotype.https://www.thehighroad.org/index.php?media/weights-diameters-test.4081/full

Wall hanger. Scrap components & ammo.

To much crimp will bulge the brass. A taper crimp should just remove the flare.

Range brass, at different trim lengths, some will get more crimp then others. I have trimmed some range brass...

Sound like you dont want to size the necks at all? The Redding type S fl die, without the bushing, is a body die.

I like to....
Measure loaded rounds neck diameter. Pick the smallest diameter....

M type expander for better seating. Comes with RCBS die set.

Measure barrel throat diameter. Tap a oversize, as cast bullet, into the throat of the barrel. Remove & measure. Size bullets .0005"...

https://www.thehighroad.org/index.php?threads/silencers-why.928232/page-3#post-12844971

See links in post # 74 .


Here is one- ...

Fl bottle neck dies only need to be harder then the brass.

Its very easy to open the neck area with emery paper, wood dowel & and a drill to spin it.

RCBS 223 in my experence.