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  #1  
Old 03-03-2013, 11:03 PM
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Default What is your favorite 357 Mag / .38 Special powder?

Thread title says it all… what’s your favorite powder in 357 Magnum and .38 Special (Standard or +P)

Please list if you use Standard or Magnum primers with your powder choice.

Please list what else you have used, and why you like that particular powder.
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  #2  
Old 03-04-2013, 12:20 AM
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Winchester 238 in only use magnum primers if I'm loading magnum rounds
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  #3  
Old 03-04-2013, 12:44 AM
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Tagged for future ref. I just bought a few lbs of 2400(I haven't started reloading at all yet)
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  #4  
Old 03-04-2013, 4:24 AM
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2400 is my favorite in .357
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  #5  
Old 03-04-2013, 5:52 AM
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Accurate #7, 11.4 gr with 158 gr JHP or LSWC in .357 magnum.
HP-38, 5.3 gr with 158 gr JHP or LSWC in .38 spl.
Both with standard primers.
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  #6  
Old 03-04-2013, 6:15 AM
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I have loaded with lots of different powders. But my favorites are Trail Boss for 38spl and 2400 for 357mag (regular primers).

You can push bullets hard with 2400. I push 158gr LSWC (hardness 18) to over 1250fps. Very accurate and fun to shoot.

My 38spl Trail Boss load I send at a measly 650fps. Feels like a 22 out of a full sized revolver. I'm using 148gr LWC's for this load. Hardness 10. Also very accurate.

Neither load leads at all.
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  #7  
Old 03-04-2013, 6:38 AM
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Default HP38 - Hence the name

To get the most ou of the 357 Magnum (at least when loading for anything longer than a snubby), you will need a slower powder, like 2400. Probably something like H110/W296 (and magnum primers) if you want wow factor velocity.

A nice all around powder for both might be W231/HP38. You can load it mild or to +p levels in 38spl and still deliver respectable results when loading the magnum.

I think 2400 is considered the all time champion magnum powder for 357M but as noted above, 296, Lil Gun will outperform when you give it enough barrel.
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  #8  
Old 03-04-2013, 6:40 AM
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I like Unique and 2400
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  #9  
Old 03-04-2013, 6:45 AM
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2400 for me. -g
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  #10  
Old 03-04-2013, 6:56 AM
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haha I use True Blue....started with that when I first started reloading, now thats what I use in 9mm, 45acp, and 38 special.
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  #11  
Old 03-04-2013, 8:37 AM
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For the .357 its Win296. For the .38 spl its Tight Group.
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  #12  
Old 03-04-2013, 9:46 AM
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As you can see 2400 is very popular , I have loaded for the 357 for about 25 years or better you would think i would have tried it by now . I recently picked up merrill with a 10 inch 357 barrel and with 4227 or #9 it will shoot 1/2 inch 5 shot groups at 50 yards using remington bulk 158 grain semi jacketed hollow points , I thought it was pretty good considering the quality of the bullets.
A good short read http://www.alphaprecisioninc.com/revolver/default.htm
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  #13  
Old 03-04-2013, 10:28 AM
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Unique for mine.
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  #14  
Old 03-04-2013, 10:51 AM
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For full house 357M load , I use H110.

For practice, Clay.
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  #15  
Old 03-04-2013, 11:18 AM
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I use all of these powders.

1. 2400 14gr 158gr SPP 357

2. Unique 7.7gr 158gr SPP FMJ & LSWC 357

3. T.G. 6gr. 158gr SPP 357

4. H.P38 6.8gr. 158gr SPP 357

5. B.E 4.5gr 158gr SPP 38spl +p

I just picked up a Ruger 77/357 so I would like to try some H110 or Win 296 loads.

These loads are used in S&W 686 6" Ruger GP100 4" Taurus tracker 4"
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  #16  
Old 03-04-2013, 11:18 AM
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I have only used H-110 and IMR-4227

H-110 makes a far noisier blast, and large muzzle flash, especially when loaded for lighter bullets. Worked swell for 158 gr...125 gr....well people thought I was shooting 44. magnum (though lighter bullet means less recoil at least)

IMR-4227. I have gotten similar accuracy, and just slightly less velocity from it than the H-110, but lot less flash with the lighter bullets.
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  #17  
Old 03-04-2013, 11:46 AM
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Tagged
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  #18  
Old 03-04-2013, 12:00 PM
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Thanks for all the replies… I think I’ll have to keep an eye out for some Titegroup, H110, and 2400

Right now I have the following pistol powders… W231, Bullseye, WST, WSF, and a very small amount of Unique. Most of this stuff I purchased for .45 ACP and 9mm

Unfortunately I still need other items like dies, shell plate, and bullets before I can get my 357 loading off the ground so I have not had a chance to try anything out yet.
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  #19  
Old 03-04-2013, 1:02 PM
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4227, and cast bullets, for 90% practice loads for both.
Not the cleanest powder you will use, keep a toothbrush handy, you will brush behind the star every 18 rounds or so.
But accurate, and works well for 38+p and 357.
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  #20  
Old 03-04-2013, 1:58 PM
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I cannot count how many 38 Specials I have loaded with Bullseye and Unique, and 357 Magnums with Unique and 2400. Recently I have burned a pound of Power Pistol developing +P 38 Specials loads were is excels.
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  #21  
Old 03-04-2013, 2:07 PM
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Bullseye, Unique, and 2400.
I also have Power Pistol, Green Dot, and W231 on the shelf, but I generally stay with the three classics.
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  #22  
Old 03-04-2013, 5:08 PM
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+1 for Trail boss.

Fill a S&W 500 case with it (10 gr. max), a 440 gr cast slug, and fire those all day long double action. The gun will not move. I say this as serious as can be.
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  #23  
Old 03-04-2013, 5:19 PM
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I only load powder puff loads, so I like Trailboss.
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  #24  
Old 03-04-2013, 5:22 PM
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I got 1600fps out of my 6" King Cobra with No#9 powder, magnum primers, and 125g projectiles.

Sent from my DROID RAZR using Tapatalk 2
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  #25  
Old 03-04-2013, 5:47 PM
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700-X for .38 spl

W-296 for .357 Mag
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  #26  
Old 03-05-2013, 10:52 PM
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im gathering longshot and hs-6 for the 38 spec. and 357 mag.... who knows ... i like the hs-6 in my 9mm loads so that helps...longshot in 44mag has really low powder charge so hopefully 357 will like....i know the tried and true recipes call for diff powders.... but i like the way hs-s and longshot go thru my uniflo (and mec )--like water...we will see...cheers..
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  #27  
Old 03-05-2013, 11:18 PM
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Bullseye for 38 and accurate #9 on the 357..
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  #28  
Old 03-06-2013, 2:08 AM
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Longshot for .38/357 powderpuff loads

H110 for 357 magnum loads.
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  #29  
Old 03-06-2013, 6:14 AM
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In my 357 I use to be a 2400 fan but now I really like the MP-300 yea it's one hell of a boom but it really wings the bullet out there, ain't that the point of the 357 . For 38Spc I use either Bullseye or Unique both work very well for any bullet I try cast, plated, jacketed, round nose, wad cutter, semi wad cutter, you name it they all shoot well.
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Old 03-06-2013, 6:45 AM
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I am just starting reloading... Would you use the same lad for pistol and rifle (16") barrel?
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  #31  
Old 03-06-2013, 12:12 PM
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Anyone know what powder Buffalo Bore uses? Their 180 grain hard cast .357 clock at 1,500 fps in my GP100 6 inch. Starline Brass used.

16 grains W296, Starline Brass, CCI SPM primer with 158 gn laser cast shoot at 1,350 fps.
same load with Hornaday 158 gn XTP only make 1,250 fps.
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  #32  
Old 03-06-2013, 2:24 PM
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For .38 spl, I like Unique and Titegroup, my friend likes 231, Clays, and Trail Boss (we shoot a lot of cast boolits). For full house .357 mag, it's gotta be Win296.
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Old 03-06-2013, 2:34 PM
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For 38 Special I use whatever I have on hand. I usually have Bullseye, W231 or Unique. Currently I am working on a 8lb jug of Unique so thats what I have been using. I have used other powders but these are the ones I use the most for 38's.

For 357 Mag I use either 2400 or H110 for full power loads. If I want some mid range 357 then I use Unique or sometimes W231. Once again I have used other powders but these will do what I want.

There are so many powders to choose from it gets real difficult to decide. Many years ago I decided to settle on just a few powders to make it a little less confusing. Every once in a while I'll try something different but usually go back to these favorites.

KeithET
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  #34  
Old 03-06-2013, 2:38 PM
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What is it that makes you guys have a preference to one over the other powder? Is it shear power? More accurate? Sorry but I'm still wayyy behind on reloading and finding materials is next to impossible (at standard cost) right now
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  #35  
Old 03-06-2013, 4:31 PM
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It's a combination of power, accuracy and............presence. I've never tried MP-300 but I have maxed out some W296 loads. Lots of noise and fire. Same with H4227 and 2400 when loaded heavy. I settled on 2400 at just below max for magnum rounds. I just like the way they shoot. Here's non-partisan table to look over and, as always, be careful.

http://www.reloadammo.com/357loads.htm
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  #36  
Old 03-07-2013, 10:22 AM
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try 231 for 38 loads, it's the same powder as hp 38. for full power 357 use h110 or ww296
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  #37  
Old 03-20-2013, 10:01 AM
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I like Unique for handgun loads and H-110 for rifle.
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Old 03-20-2013, 10:10 AM
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Quote:
Originally Posted by Dont_Shoot_im_Chinese View Post
What is it that makes you guys have a preference to one over the other powder? Is it shear power? More accurate? Sorry but I'm still wayyy behind on reloading and finding materials is next to impossible (at standard cost) right now
It depends a lot on what type of shooting you're doing. Are you hunting? What are you hunting? Shooting at paper? Self defense? What gun? Barrel length? Action type?

Sorry to be vague but there are a lot of variables and the .357 mag is an incredibly versatile cartridge so your simple question is very hard to answer.
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  #39  
Old 03-20-2013, 10:34 AM
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I have not loaded up a ton of 357mag but I like 10.1gn of AA#5 under a 125gn projectile. it is a little snappy but works great in short barrels.
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  #40  
Old 03-20-2013, 11:19 AM
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Win231
IMR4759

I don't love unique, actually I love how it shoots but it meters poorly in my dillon and it is a bit dirty.

Waiting to try N110.
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