Stevens barrels are 18 twist.  At least mine are.  And what I earlier alluded to about a 180 grain bullet is wrong.  The calculations when correctly set up used a 165 grain bullet, and the peak pressure is only 9000 psi.      

My .32 Ideal Pope has a gain twist and I've never weighed the bullets that come out of the mould he supplied therewith, always figuring that Harry knew best, but would guess they are about 160 gr.

Also, there was a Perfection .32 Ideal mould, # 32360.

Bill Lawrence

I really appreciate all the information.  You have been most helpful.

CW you said you have images if interested:  Yes, please post!

Was rooting around on the Innertubes just now, (yes, I'm as bad an insomniac as you'll ever hate to meet).   

We had the discussion about .32 Ideal in 2011!  Gawd I feel old!

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All one.  The 5.6x50R is a rimmed version of the .222 Magnum, which in turn a longer version of Mike Walker's .222 Remington.  I've added to the confusion my calling it 5.56, which is technically correct but not the customary designation, I find.  Mea culpa. I wrote those notes to remind me, not for publication. Seems I need a better proofreader/editor.  

BTW the nominal base diameter of the .32 Ideal is .348".  I'm now questioning why I wrote that the drill bushing should be .340".   Seems unnecessarily small.  Will dig out the kit today to get an actual measurement.  More later.

roller-wall59 wrote on Nov 18^th, 2019 at 2:04pm:

I'll try.

Hmmm - it worked!

Roller-
If you are still digesting turkey and have not yet sent your smoke pole to be relined. Here are a few comments.
The 32 Ideal had a reputation of not being very accurate. Both Pope and Roberts did not like the little shell. The case was developed in 1892, brought into market in 1893 by John Barlow (Ideal) and loaded first by UMC and later by WRA and Rem. It was dying out by 1918.
The 32 Ideal had a 18" twist. This limits the weight of bullets especially for black powder. I have found that any bullet  longer than 0.9" starts to wobble and a 190gr. will fly sideways. Of course your re-line can be in any twist you want.
I have my best luck with bullets in the 150 to 175 gr. range. I have done very little work with the smaller bullets. The original bore was .318 and groove of .323 (same as late 32-40). Brass is a problem. Original brass are collectors items and long gone.I have both Bertram and new brass made by RMC (Rocky Mountain Cartridge). RMC brass (CNC lathe cut) was $2.40 each a year ago, and is good stuff.

There was a discussion about the Ideal Perfection mold. Don't bother, I have one, they are collector items, very expensive, weigh a ton and are big enough to cast up to 220 gr. bullets, way too big for an 18" twist.

You might reconsider your choice of cartridge. If you are really hooked on the 32 Ideal (as I am) then you have an interesting and long lasting challenge. If you want something easier you might consider a standard 32-20 or a 32-40. Low wall Winchesters, Stevens 44 and late Ballards are all strong enough for 32-40 at low pressure (also 38 spl, 38-55, 40-50, 40-60, 44-40 and a zillion others).
Good Luck!
--Beargrease

Good idea.  The .357 Max case is just a wee bit short, (.020") but it probably wouldn't make much difference.  When I started this, Max brass was rare, and the 5.6x50 wasn't, so I never gave it a thought.  Now it's the other way 'round.   

I'd start by running the Max case into a .222 Magnum die to do a preliminary shrink at the mouth.  Certainly worth a try.