10 Gauge 3” Duck load

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10 Gauge 3” Duck load

Postby Alfie1973 » Sat Jan 16, 2021 6:04 am

Hi all,

Hoping someone can help.

I’m looking for a 10g 3” 1 1/4 oz duck load to use some old Hulls.

Any help appreciated.

Many thanks

Alfie
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Re: 10 Gauge 3” Duck load

Postby roughshooter1 » Sat Jan 16, 2021 8:27 am

Depending on what gun you are using then I would be tempted to cut the cases down to 2 7/8” and rto them.
There is a lot of data out there for the lighter load with 2 7/8”
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Re: 10 Gauge 3” Duck load

Postby baltz526 » Sat Jan 16, 2021 9:13 pm

If you are using a pump or break action 2 7/8" 10ga work. Gold or sp10. I have heard they are not going to work. except as a single shot.
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Re: 10 Gauge 3” Duck load

Postby Jim Atlas » Sun Jan 17, 2021 7:25 pm

Didn't lost make 3" shells once the case mouth wore out? Is he still on here ever?
You looking to use steel powder?
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Re: 10 Gauge 3” Duck load

Postby C M Wings » Sun Jan 17, 2021 8:19 pm

Yeah I got a good one but it’s not tested. I’ve shot it a good bit and seems fine. So load at your own risk.

Fed 209a
Fed hull
36 guns steel
TPS or RSI wad trimmed
1.25 of #2

Trim hull as long as you can make it. Trim wad to fit over powder just enough to roll crimp. Build as usual and roll crimp. If your finished shell is 2 7/8 or longer it will cycle out of sp10. At least they will out of mine. Make sure you can only fit 2 in the magazine tube.

Mine likes the TPS wad. RSI wad gets destroyed but I don’t think it over pressure because TPS wads are fine. Cutting down that shell really spikes pressure. Try a Win209 and see if you get good powder burn and velocity. Should be between 1500 and 1600.
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Re: 10 Gauge 3” Duck load

Postby Alfie1973 » Mon Jan 18, 2021 11:19 am

Thanks for all your help
Yes using steel powder.
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Re: 10 Gauge 3” Duck load

Postby Jim Atlas » Mon Jan 18, 2021 5:20 pm

C M Wings wrote:Yeah I got a good one but it’s not tested. I’ve shot it a good bit and seems fine. So load at your own risk.

Fed 209a
Fed hull
36 guns steel
TPS or RSI wad trimmed
1.25 of #2

Trim hull as long as you can make it. Trim wad to fit over powder just enough to roll crimp. Build as usual and roll crimp. If your finished shell is 2 7/8 or longer it will cycle out of sp10. At least they will out of mine. Make sure you can only fit 2 in the magazine tube.

Mine likes the TPS wad. RSI wad gets destroyed but I don’t think it over pressure because TPS wads are fine. Cutting down that shell really spikes pressure. Try a Win209 and see if you get good powder burn and velocity. Should be between 1500 and 1600.


After a quick comparison of the 10 ga and 12 ga 3.5" loads in the RSI book, I can't see how this would be unsafe. What do you get for fps? Have you tried it with a Win primer? Have you tried it with a fold?
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Re: 10 Gauge 3” Duck load

Postby C M Wings » Tue Jan 19, 2021 7:50 am

I never said it was unsafe, I said it was untested and destroyed RSI wads when I tried them.

Win 209s were dirtier in low temps but otherwise seem to perform fine.

Chrono on these loads is mid 1500s, but because the components are hand cut and altered the spread is larger.

Folds don't cycle from my gun. Need the close to 3" overall finished length, and RTO is more forgiving of an uneven trim job.
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Re: 10 Gauge 3” Duck load

Postby Jim Atlas » Tue Jan 19, 2021 8:57 am

I know you never said it was unsafe. Sorry to confuse with my reply!
Thanks for sharing your info!
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