AusVarmint

So far I have discovered that a 260 ai body die, a Swede collet die and a 308 bushing die with a 270 bushing will not neck down a 308 to 260.

I could have just waited till I caught up with Kickinback but that wouldn’t be me would it




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Nice work there Trev I’ll know we’re to send my brass when I need some necked down and turned next time

I still don’t understand how you do that. I run 308 straight thru a 260 fls


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Fill them up. That will fire form out

.... and there are three cases because you wanted to be sure?

......... to be sure?

.......... to be sure?

curan wrote:.... and there are three cases because you wanted to be sure?

If you read the post you don’t need a rocket science degree to work out that trying three dies takes three cases


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kickinback wrote:I still don’t understand how you do that. I run 308 straight thru a 260 fls


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And when are you free again?


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trevort wrote: ↑Mon Dec 31, 2018 2:40 pm
If you read the post you don’t need a rocket science degree to work out that trying three dies takes three cases

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Every day is a school day.

It's a little bit like finding out that after successfully sizing 30-30 to 25-35, the fireforming blows the side out of them, and scares the cack out of the trigger puller .....

I was going to say, Unbelievable, but seeing as its you doing a klutz job on the cases, it is totally believable.

Don’t listen to them Trev.... especially Mr Saligari, i saw him break the handle off his bolt while trying to fit his sized brass in his gun and I have killed a few over the years forming them for my comp guns

The issue you have is all your die set ups were wrong for the process you were looking to do. You need to consider the shoulder angle in the die that the brass is going to be pushed by in the necking down process. The further you are reducing neck size by the more important this is. In your situation you were trying to take an outside neck dimension of probably around 0.338” down to around 0.290” or reducing it by around 48 thou.

The collet die is no good as the sleeve will move and jam the neck, the Ackely die with a 40 degree shoulder is too steep an angle and the busing die is no good as due to the large size reduction you are trying to do the case will hit the flat bottom side of the bush rather than feed into the bushing - and you had a 270 bush not 290 final neck OD

Using the 260 FLS like kickin does is the right type of die to use. It has the correct type of shoulder angle and no moving parts like a collet die. I use a 308 FLS die as the first step to take my 9.3mm brass down to 30 cal or 7mm for my LG. Get a 260 FLS and you should be right to just do single pass sizing

albow wrote:Don’t listen to them Trev.... especially Mr Saligari, i saw him break the handle off his bolt while trying to fit his sized brass in his gun and I have killed a few over the years forming them for my comp guns

The issue you have is all your die set ups were wrong for the process you were looking to do. You need to consider the shoulder angle in the die that the brass is going to be pushed by in the necking down process. The further you are reducing neck size by the more important this is. In your situation you were trying to take an outside neck dimension of probably around 0.338” down to around 0.290” or reducing it by around 48 thou.

The collet die is no good as the sleeve will move and jam the neck, the Ackely die with a 40 degree shoulder is too steep an angle and the busing die is no good as due to the large size reduction you are trying to do the case will hit the flat bottom side of the bush rather than feed into the bushing - and you had a 270 bush not 290 final neck OD

Using the 260 FLS like kickin does is the right type of die to use. It has the correct type of shoulder angle and no moving parts like a collet die. I use a 308 FLS die as the first step to take my 9.3mm brass down to 30 cal or 7mm for my LG. Get a 260 FLS and you should be right to just do single pass sizing

Well said Al. I took the idiot factor out of it for him and set him up on my press. All sorted.


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Cmon guys this was posted for your entertainment ( except Camel no one gaf whether he is entertained enough to stop chewing his crayons for a second)
I always knew I was going to form them in Kickinback’s fl die. I just thought I would experiment with what I had on hand


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