Loading 180gr. for .357

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mikebsr

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Has anyone tried to use shotgun powders (Green dot,Red dot, Promo) loading heavy 180gr. in a .357. I looked but only found one each, Green dot and Red dot.
 
While you probably will eventually find someone who has loaded with these powders, I would not consider them a good choice. Green dot would be a maybe for me but the rest of these are too fast burning for my taste for a 180 grain bullet out of a .357... just my .02.
 
I've done some loads with Red Dot in .357 due to powder shortages but they're quite hot and I would only shoot them in my Redhawk. The results were OK with 158 jacketed but not so good with 180 cast. Even a very small wiff of powder starts spiking pressures fast. It's just not worth it IMHO. For the 180 cast, it's best to wait until better powders arrive like 2400 or H110.
 
I've been working up loads with blue dot, HS6, HS7 and cast, aside from what I think is quite a lot of smoke, they're working pretty well at this stage. still some refinement to do though.

red dot works great for light bullets and light loads though. works absolutely great for 125-148 grainers loaded to 38sp levels

I'd bet that green dot would make some nice medium loads with something in the 150 grain area. 180 might be a bit heavy I think.
 
I just started loading cast 180 grain bullets, but I'm using Lil' Gun.

And I bought a Chrono, which should get here tomorrow. Then I'll be a real handloader!
 
I saw Midway got the 180gr Cast Performance bullets in, but haven't ordered any up yet. May have to try some, although pretty happy with hard cast 158gr lead bullet I have been using. I get complete penetration thought a 180lb hog. I run them around 1,350fps from a 6" GP100 using 2400. They aren't gas checked, so I do get some leading.
 
bludot and 180 grain lead bullets work real well.
I too have good results with Blue Dot and 180gr jacketed, not so much with lighter bullets and BD
 
W296/H110 is a good powder for heavy bullets in the .357 Magnum but Lil'Gun will add 100 fps to the load without sacrificing accuracy. I have not tried the newer Alliant Power-Pro 300-MP but I hear it's also very good with heavier bullets too.

Like said above, the faster shotgun powders you mentioned are not well suited for heavy bullets in a magnum application. Slower shotgun powders like HS-6, Blue Dot, Longshot and Herco are a better choice if you can't get magnum class handgun powders.
 
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