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Old December 16, 2012, 10:01 AM   #1
FlySubCompact
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Help...9mm/.38sp..casting/sizing

I'm planning on casting mainly for 9mm range ammo, but I read that .38 sp can use the same OD bullet.

I've slugged my 9mm barrel. It is .356". Figured I'll order a two cavity Lee mold and a .356" OD push through bullet sizer die kit.

What I'd like to know is there a good size/weight/shape bullet mold that can also double as a decent projectile for .38sp too?

In 9mm, I like 124 gr RN for range use. Would that bullet work in .38sp OK? Thanks.
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Old December 16, 2012, 10:45 AM   #2
243winxb
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Lee mould 358-125-rf six cavity

The diameter ( .3575" to 358") has to be large enough for the 38 special. A fatter bullet may be sized smaller, if needed, for the 9mm. Lee lists a 38 bullet that they say, will work in the 9mm. http://leeprecision.com/bullet-casti...double-cavity/ Wait for more replys as i dont load 9mm. LEE MOULD 358-125-RF SIX CAVITY may be the best for both.

Last edited by 243winxb; December 16, 2012 at 11:23 AM. Reason: LEE MOULD 358-125-RF SIX CAVITY
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Old December 16, 2012, 11:52 AM   #3
springer99
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Your 124Gr RN might work OK for 38Special, but it you're shooting it in a revolver, make sure it has a crimping groove to prevent the bullet from walking out and binding.

I find that this profile works well for my 9mm and a 38Super.
http://www.missouribullet.com/detail...ry=9&keywords=

In both cases, I use them sized to .357dia. Can't imagine why it wouldn't be fine for 38Special as well.

Last edited by springer99; December 16, 2012 at 12:09 PM.
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Old December 16, 2012, 11:54 AM   #4
reloader28
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If your barrel slugs at 356 then you need a 357 or 358 sizer, not 356. Be sure to slug your 38 barrel. You can probly use 358 for both.

I really like the Lee 358-125RF. Its a sweet little bullet that shoots good in 380, 9mm, and 38spl. With the nice meplat, it is a "usable" bullet too, not like a RN. Since I shoot nothing but cast, that is a must.
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Old December 16, 2012, 04:25 PM   #5
g.willikers
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My experience has been that 9mm pistols generally use .356 in jacketed bullets, but at least a .357 for lead.
.356 lead bullets can wobble and keyhole, especially if overly crimped.
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Old December 16, 2012, 09:13 PM   #6
FlySubCompact
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Never heard that about oversizing .001" for lead. Interesting. Thanks guys.

I'll also have to work on a proper casting alloy. I have a good bit of pure soft lead and some old wheel weights.
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Old December 17, 2012, 01:50 AM   #7
chris in va
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My Lee 356-125-2r mold drops at 360, so I resize to 358. I'm sure you could use it with both guns if the revolver can use a RN profile. Pretty accurate in my CZ P01.

Skip the pure lead, just use the wheelweights, provided they aren't the stick on type.
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Old December 17, 2012, 03:09 PM   #8
Chucky64
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Favorite bullet for 9mm,357 sig, 38 special

Right now the LEE MOLD 358-125-RF is my choice for multiple guns
and calibers. Feeds great in all my semi autos and works fine for the
revolvers, too. At 125 grains it helps preserve your precious lead
supply. If you need to save money or time You can use the lee sizing
dies and tumble lube the bullets. I never have slugged the bores
on any of my rifles or pistols but have not had any problems with
leading by sizing the bullets @ .356 or .358. The .356 bullets are
pushed near max in the 357 sig with good results and no leading.
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Old December 17, 2012, 06:57 PM   #9
mikld
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I have a Lee mold; 125 gr. RNFP. So far, sized to .357"/.358" it works in my 2 .38s, and 1, .357 Mag. and sized to .357" it works in my 9mms...
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