.357 Mag 148 gr SWC


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Bud0505
May 9, 2012, 09:21 AM
I've searched the forum and haven't found a load for .357 mag 148 gr SWC using Unique. Anyone have a pet load? I've read all about Power Pistol,W231, Universal etc but I'm looking for a mild paper punching load using components that I already have on hand. Looking forward to your responses.

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loadedround
May 9, 2012, 10:15 AM
The 148 gr LWC bullet was not designed to use with the 357 magnum revolver. This particular bullet is used in target shooting with small quanties of a fast powder usually Bullseye or WW 231; and was designed to cut a smooth round hole in a paper target. If you want to use this particular bullet in your "maggie", check a reloading manual for 38 Special loads, or Hodgdon's website @ www.hodgdon.com There will be loads listed with your bullet and Unique powder. Just be safe.

zxcvbob
May 9, 2012, 10:19 AM
Is it a semi-wadcutter, or a full wadcutter? If a wadcutter, is it hollow based or solid?

mbopp
May 9, 2012, 11:17 AM
A 158gr semi-wadcutter is common.
A 148gr full wadcutter, either cast or hollow base, is common.
I've used 4.5gr of Unique with 148gr cast wadcutters loaded in 357 cases.

hakasaw
May 9, 2012, 11:32 AM
Try the Alliant Powder site. www.alliantpowder.com. larry

Salmoneye
May 9, 2012, 11:38 AM
Alliant 2004 Loading Manual...Info you are looking for is on page 42:

glarp.atk.com/2004/2004Catalogs/2004AlliantPowderSM.pdf

Bud0505
May 9, 2012, 01:44 PM
Salmoneye,

Thanks for the link. Shows exactly what I was looking for. I did not have that reloading guide.

Hakasaw,

I'd looked at the Alliant site, but they don't list a 148 gr load for .357. but thanks for the reminder.

mbopp,

They are 148 gr Wadcutter BB. Not SWC as I erroneously stated in my request. Thanks

ljnowell
May 9, 2012, 05:55 PM
I load the missouri bullet 148gr DEWC over anywhere from 3.3 to 3.5gr of AA#2,

zxcvbob
May 9, 2012, 08:01 PM
I shoot DEWC's in .357 Mag using 7 grains of either Herco or WSF. OAL is about 1.35 or 1.36" It's not a max load but it's on up there because the bullet is loaded so deep in the case. You could duplicate it with 6.something grains of Unique but I don't know the exact amount -- it should be in that 2004 Alliant link.

mbopp
May 9, 2012, 08:46 PM
I've shot 148gr Berrys DEWC's over 6.0gr of Unique in 357 cases, snappy and accurate in my M-19. I'd consider it too hot for cast bullets though.

joneb
May 9, 2012, 11:01 PM
They are 148 gr Wadcutter BB.
I have some Speer swaged BHN around 8, 148gr BB WCs that I loaded with 3.9gr of Bullseye for .357 mag. with good results.
I am in the process of loading a 148gr cast button nose WC BHN of 18 for .357 mag. using AA#5 for testing.
It would help to know what BBWC you have.

loneviking
May 10, 2012, 07:49 PM
I have a bunch of 148gr. HBWC's that my dad found years ago. I load 'em with 4.5gr Unique in a .357 case. Mild recoil, very good accuracy.

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