Substitute for ww571 powder?

lig66

November 23, 2013 03:47

Is there a substitute for ww-571 shotgun powder? I know that HS-6 is good as ww540, but sure would like to find a sub for 571. Thanks.

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  20gabob

  November 23, 2013 05:05

  HS 7 s a direct interchange if you can still find any. Seems like all the magnum shotshell powders are being discontinued. Depending on what you are wanting to use it for, you might also want to check out Hodgdon Longshot.

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  rufe-snow

  November 23, 2013 05:35

  My powder burn rate reference chart, shows that Accurate Arms AA #7, and IMR 800X, have very similar burn rates to 571.
  
  Great care has to be exercised when reloading though, using these powders. Don't start with any top end loads. Back off by at least a grain. Use a crony, and check the brass for any of the common high pressure signs.
  
  
  EDIT #1.
  
  My personal experience with AA 7 & 800X, is with loading handgun cartridges. Both are relatively slow burning powders. For use with heavy bullets. For high velocity loads. Since 800X powder was specifically made for reloading shotgun shells. Most likely there will be available data for it, that the OP can access.

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  XXCross

  November 23, 2013 06:22

  Don't get me wrong rufe-snow, but I think telling this guy to look for pressure signs in a shotshell is bad advise. Shotshells do not exhibit the same characteristic signs that rifle or pistol shells do.
  There are MANY more variables in a shotshell. What may look okay in one combination can be a disaster in another. (just changing the primer or wad can make a very large change in pressure) Typically, shotguns do not show many signs of a pending problem until it's too late. Don't guess, stick to published data.

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  charliemeyer007

  November 23, 2013 07:42

  I have seen a fare number of shotgun's in pieces. Much safer to stick to the published data and components. A primer or wad change can be a big issue but I haven't experience it so far. I think I still have some 540. I like BlueDot for my slug loads. Unique, RedDot and 700X for others.

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  lig66

  November 23, 2013 09:26

  Looks like I would be best to start working with available powder like Blue-Dot and try to get a 65 to 70% pattern with it.
  
  Thanks to all for your advise on this matter.

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  20gabob

  November 23, 2013 11:02

  If you talk to the people at Hodgdon they will tell you straight up that HS7 is win 571--296 is H110---Hp38 is 231---H414 is win 760. They are the people who buy and distribute as well as pkg all of these powder so they should be in a position to know what they are packaging and selling to the public. Any questions, just call and ask them.

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  Ray Boone

  November 23, 2013 11:31

  W571 & HS-7 are (were) the same powder. The advantage of it was low volume and slow burning; so it worked well in getting heavy loads of shot moving at magnum velocities when powder space was limited. I don't know which other powders will accomplish the same thing. When my batch of 571 runs out I'll probably go with Blue Dot and poly-formed shells to get the extra powder space.

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