310 cadet load

Reloading equipment, methods, load data, powder and projectile information.

310 cadet load

Post by mrwoospigs » 31 Oct 2013, 6:10 pm

Does anyone have a load for 310 cadet using AR2205 and 122 hawksbury projectile
ADI book says 9gr for a 120gr, so im guessing i need to back it off abit.
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Re: 310 cadet load

Post by samf » 31 Oct 2013, 6:31 pm

So close... shave .1 grain of powder off and you'd right?
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Re: 310 cadet load

Post by harris » 31 Oct 2013, 6:36 pm

mrwoospigs wrote:ADI book says 9gr for a 120gr, so im guessing i need to back it off abit.


If you look at the pattern of other calibres that have more load data available, as projectile weight goes up, the powder charge goes down with the same powder.

Annoying that there is no starting load from ADI to give you an idea, grrr.

For 2 extra grain bullet though though, that's a 1 or 2 percent heavier than expected.

1-2% less powder?
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Re: 310 cadet load

Post by mrwoospigs » 31 Oct 2013, 6:51 pm

I was thinking of starting at 7.5gr and not exceding 8.5.
Have also read in several different places that martini action is very strong as they calibre up to 44 40 on same action, so not overly worried
Just thought some one would already have a tried and true load.
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Re: 310 cadet load

Post by artimu » 31 Oct 2013, 7:04 pm

mrwoospigs wrote:I was thinking of starting at 7.5gr and not exceding 8.5.
Have also read in several different places that martini action is very strong as they calibre up to 44 40 on same action, so not overly worried
Just thought some one would already have a tried and true load.


If you haven't done any testing yet working up your own load will be best regardless. I'm sure you know that what works for someone else doesn't mean it will work for your rifle.

A mate of mine has taken his up to 9.5gr and is still in once piece :D

For 2gr difference in weight bullet I reckon you could based your testing off 120gr bullet data anyway.
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Re: 310 cadet load

Post by Broom » 31 Oct 2013, 7:08 pm

Don't forget you can have a look into loads using equivalent powders then work out what to do with your 2205 from there.

ADI has the list on their site here http://www.adi-powders.com.au/handloade ... alents.asp

If someone has a bunch of test data for H4227 / H110, IMR4227, W296, R- 123, AA1680 or N120 and the 310 cadet, you can reference their loads for your testing.
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Re: 310 cadet load

Post by mrwoospigs » 31 Oct 2013, 7:11 pm

Yep i know that and each rifle has its own taste in loads, i have 2 303/270 and 2 mosin nagants and they run separte loads to their twins
Just looking for a starter, no use re inventing the wheel, but can inprove on it.
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Re: 310 cadet load

Post by mrwoospigs » 31 Oct 2013, 7:32 pm

Thats good stuff on the adi site, i used it for my mosin loads.
Looked at all that but they only use 120gr slugs, looking at data for other calibres 2grs in a slug can sometimes mean a good difference in powder.
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Re: 310 cadet load

Post by Davies » 31 Oct 2013, 7:57 pm

This might be of interest to you http://www.martinigallery.com/cadet.htm

Still talking 120gr pills but there are a few loads and a bit of a write up on it in the middle there.
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Re: 310 cadet load

Post by tarnagulla » 12 Nov 2013, 8:21 am

I think you will find that 2205 is too slow - all my fellow 310 shooters came to that conclusion. AP70 is popular (for a 128gr bullet, start at say 4.1gr) but I prefer Blue Dot - 6.2gr for the 128gr Hawkesbury River bullet.
Hawkesbury make two sizes, 123gr and 128gr. The significant difference is the diameter - .313 for the lighter one, .323 for the 128gr., and it makes a huge difference in performance. The 128gr has been found excellent by all who have used it in my club, whereas the 123gr just "rattles" down the average Cadet bore :)
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Re: 310 cadet load

Post by Warrigul » 12 Nov 2013, 8:40 am

tarnagulla wrote:I think you will find that 2205 is too slow - all my fellow 310 shooters came to that conclusion. AP70 is popular (for a 128gr bullet, start at say 4.1gr) but I prefer Blue Dot - 6.2gr for the 128gr Hawkesbury River bullet.
Hawkesbury make two sizes, 123gr and 128gr. The significant difference is the diameter - .313 for the lighter one, .323 for the 128gr., and it makes a huge difference in performance. The 128gr has been found excellent by all who have used it in my club, whereas the 123gr just "rattles" down the average Cadet bore :)


I am one of the lucky ones who gets good groups out of the 122 grainer, quite a few do. However as you have said the 128 grainer is even better.

I use both.

I dislike AR2205 as it leaves a lot of burnt residue and is only just satisfactory.

As you have stated I have found faster powders better and have settled on Red Dot as I have heaps. I do have some Blue dot but just haven't gotten around to trying it yet.
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Re: 310 cadet load

Post by Gaspas » 21 Mar 2015, 7:53 pm

Too much unburned powder using 2205. I use 3.7 grains of AP70N. Complete burn and good grouping. For other loads see Winchester 23-20 loads. The balistics of the two rounds are almost identical.
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Re: 310 cadet load

Post by brisb » 22 Mar 2015, 7:31 am

AP70N supposed to be discontinued by the end of the year :|

ADI Pistol and Shotgun powder changes
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Re: 310 cadet load

Post by 4godsako » 12 Apr 2020, 10:49 am

G'day Cadeteers,
I don't have any of the recommended AR 2205 so are there any other ADI powders(or other brands) that I can use by changing the powder WEIGHT ?
I've currently got plenty of :
AR 2206
AR 2208
AR 2209
AR 2213SC
DU POINT PB
Any suggestions ?




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Re: 310 cadet load

Post by gunnnie » 14 Apr 2020, 8:07 pm

I wouldn't run the powders that you list. Granted AP70N is no longer made, but Alliant Blue Dot is available. Once ADI get their shiite in a pile & release the replacement for AP70N, then I'd be getting some of that.
I have a couple of bottles of AP70N and use 3.7gn behind several different projectiles ( have three Cadets ). So I should be right for reloads until the new ADI powder comes out.
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Re: 310 cadet load

Post by goldiexxxx » 16 Jan 2021, 11:02 am

Has anybody actually tried rifle powder in the 310 and can provide any information? What is the likely result of using 12gr of AR2208 for example? It just wont burn fast enough and leave un-burned powder and residue?

Edit a week later I can answer my own question. Yep, tried both 12gr and 12.5gr of AR2208. The 12.5gr grouped alright but all cases extracted with unburnt powder, so a faster burning powder is required.
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