Barrel Length

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SpaceRanger42
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Barrel Length

#1 Post by SpaceRanger42 » Thu Mar 29, 2018 3:35 pm

I load .357 for my lever gun and I am not unhappy with the load but it really feels a lot softer than say factory rounds from Federal. I note that the reloading manuals tend to give charge weights for pistol length barrels in the pistol length cartridges, do you ever find you need to adjust for the barrel length of a long gun?
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Marlene
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Re: Barrel Length

#2 Post by Marlene » Thu Mar 29, 2018 4:12 pm

Some manuals have rifle specific loads. A rifle can do more with slower powders.
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Re: Barrel Length

#3 Post by SpaceRanger42 » Thu Mar 29, 2018 7:27 pm

Marlene wrote:
Thu Mar 29, 2018 4:12 pm
Some manuals have rifle specific loads. A rifle can do more with slower powders.
I had heard that but I am still looking. I would assume the initial min and max charge wouldn't change but I am starting to get an inkling that not all powder is created equal. My .357 feels a little sluggish, but the same powder in my 9mm def has some pop to it. Apples and oranges I know, but it got me thinking.
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Re: Barrel Length

#4 Post by CDFingers » Thu Mar 29, 2018 8:45 pm

SpaceRanger42 wrote:
Thu Mar 29, 2018 7:27 pm
Marlene wrote:
Thu Mar 29, 2018 4:12 pm
Some manuals have rifle specific loads. A rifle can do more with slower powders.
I had heard that but I am still looking. I would assume the initial min and max charge wouldn't change but I am starting to get an inkling that not all powder is created equal. My .357 feels a little sluggish, but the same powder in my 9mm def has some pop to it. Apples and oranges I know, but it got me thinking.
Now, there are a zillion powders.

There are many "powder burn rate" charts. Here's one.

https://www.1967spud.com/wp-content/upl ... -chart.png

Make many loads with many powders to find the one you like in your rifle.

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SpaceRanger42
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Re: Barrel Length

#5 Post by SpaceRanger42 » Fri Mar 30, 2018 2:08 pm

That is a very helpful chart!
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senorgrand
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Re: Barrel Length

#6 Post by senorgrand » Fri Mar 30, 2018 2:13 pm

Also look at Ballistics By The Inch for info on how factory ammo performs out of a rifle barrel.

At the muzzle, 357 from a rifle will almost hit as hard as .223.
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