doublegunshop.com - home Forums General Discussion DoubleGun BBS @ doublegunshop.com Could you share your light load nitro formulas?

I want to shoot 1 oz out of a 12 gauge with 2 3/4" chambers though the gun was originally a 2 1/2. I would like to use either AA or STS hulls as I have a number of them. Thanks

Here you go.
http://data.hodgdon.com/main_menu.asp

Not AA or STS hulls, but paper Federal Gold Medals...

17.8 gr Clays, Fed 12S3 wad, 1 oz shot of your choice. Under 7000 psi.

Thanks but I have no interest in buying a bunch of paper hulls.

It looks like IMR powders are the way to go.

pooch, I have been having great success with Claybuster wads, the hulls mentioned as well as the Rem Gun Club (compression formed), Promo powder (Red Dot without lipstick, I'm told), and Nobel primers. I use the 7/8 / 1 oz wad for, surprise, surprise 1 oz and 7/8 oz loads. They also have out a new 3/4 oz wad that I like a lot. Loading data, with psi, is included with each 500 wad bag.

DDA

I'll look at claybuster wads. I tend toward windjammer right now. But am open to any idea, I want to keep pressure and stress low.

I have been loading the new Claybuster 3/4 oz. wads, CB0175-12, using 16.5 grs Red Dot, Winchester 209 primer in either the Remington Nitro, STS, Gun Clubs or Winchester AA's.
These loads are in the 1250 to 1300 fps. and 6700 psi. range.
Claybuster gives their loads using Remington primers with Remington hulls, and Winchester primers with Winchester hulls.
Straying from their data, I am using Winchester primers in both hulls. From looking at data, I don't believe the psi changes more than 300 psi changing one for the other.
A very nice shooting load that breaks clays nicely.

*Winchester AA Hull
*Rem. 209P Primer
*20.5 grains IMR PB Powder
*Claybuster CB1100-12 Wad
*1 oz. Shot

1150 fps
5100 psi

The above is a great one ounce load, but my light load absolute favorite is a 7/8 oz. load:

*Remington STS Hull
*Rem. 209P Primer
*19.5 grains IMR PB Powder
*Claybuster CB1100-12 Wad
*7/8 ounce Shot

1145 fps
4300 psi

Both are cream puff loads.
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My favorite powder for light loads is IMR SR 7625. Go to the Hodgedon site and find a load. There are about 50 there for 1 OZ loads under 7000 psi. It isn't the only powder for light loads but it's very good. Jim

Alliant shows a Clay Dot 7/8 oz load in 2 3/4" hulls at 5100 psi. i use it in an old Damascus Charles Daly that somebody installed a long forcing cone 2 3/4" chamber in. Still have all my fingers. I talked to a Hogdon tech guy and he indicated that 2 1/2" shells have a much higher chamber pressure than do 2 3/4" shells with the same powder and charge due to the smaller explosion chamber. Makes one think of lengthening the chamber. Jim Pettengill