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Discussion Starter · #1 ·
I’m hoping to find a powder that will deliver a 7/8 oz load at ~ 1150 - 1175 fps in either AA or Gun Club hulls. My old standby, Longshot doesn’t have data for that slow of a load. I’ve checked several other powders and found a few recipes @1200 but would like a bit slower if possible.

Any suggestions?
 

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Unique, Universal, 20/28, 572, there are bunches. Green Dot will work too if you're not using subgauge tubes and/or are willing to drop down to 3/4oz.
 

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Discussion Starter · #7 ·
Thanks guys. I think Universal might be the ticket.
 

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I've been loading 14.5 of 20/28 powder in AA hulls with CB wads, Win primers, and 8.5 shot.
I think that will work for you. JMO
 

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If you are looking for soft recoil, consider using less shot. Claybuster 1075-20 wads and Gun Club hulls work just fine with 3/4 oz shot. (I use Cheddite primers and Green Dot to save even more $.) Another option is to use the OEM Winchester WAA 20 (not HS) wad in a gun club hull but drop just 340 grains of shot. I use 16.0 gr Unique and a Cheddite primer for these. Both are soft shooters.
 

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If you’re interested in a light 20 gauge reload, seriously consider using 3/4 oz of shot. These loads are economical, and they pack more than enough punch to smash targets if you do your job.

Check out the websites of the various powder manufacturers and you’ll find all kinds of data to make this happen.

Good luck!

Dave
 

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I’m hoping to find a powder that will deliver a 7/8 oz load at ~ 1150 - 1175 fps in either AA or Gun Club hulls. My old standby, Longshot doesn’t have data for that slow of a load. I’ve checked several other powders and found a few recipes @1200 but would like a bit slower if possible.

Any suggestions?
One of the clubs I shoot at is concerned about shot leaving their grounds and so mandates loads 1200 fps or less. They chrono loads too. I used 20/28 ,weighed charges,and found 50 to 90 fps higher than the recipes indicated. I dropped bushing sizes several steps to get into the desired range.The lower charges seem to burn well and velocity variations were minimal in tested shells. If you do not have access to a chrono I'll share charge weights.
 

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I have had really good luck using either Unique or 20/28. I like the 20/28 a little better because it is a little denser than the Unique leaving a little more room in the hull for the shot and to get a nice crimp.
 

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Unique, Universal, 20/28, 572, there are bunches. Green Dot will work too if you're not using subgauge tubes and/or are willing to drop down to 3/4oz.
I was re-reading this thread because I sometimes load 3/4 0z. shells with Green Dot. The pressure developed by AA hulls is less than 10,000 psi for 1,200 fps, lower than several light loads. So what is the issue with using GD with sub-gauge tubes (which I occasionally do)?
 

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The issue was GD and 7/8 oz loads in tapered hulls when fired in subgauge tubes. It is not an issue for 3/4 oz loads, and not an issue in 7/8 oz loads in the Federal hull.
 

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Thanks, Bob. But I'm not sure I'd call 7/8 oz. @ 1175 fps a light load since it's only 25 fps less that a "standard" 20 ga load. But what precisely, is the "issue"?
 

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Some people had the 20ga tubes crack in the chamber area when they used GD. That is why they don’t publish the data anymore from what I was told.
 

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Sportshooter is correct. Subgauge tubes had a tendency to crack at the extractor cut with GD and 7/8 oz loads in tapered hulls. You no longer see a GD load recommendation for 7/8 oz and tapered hulls, but you will for that load in a straight walled Federal hull.
 

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The Alliant website has a number of loads at 1155 fps using either Herco or Unique. I used Herco for years before switching to 20/28. You do not mention which primer or wad, but take a look at the Alliant website.
 
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