Does new brass need to be sized?

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by Warrigul » 01 Jan 2014, 7:21 pm

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Sakoh wrote:

Warrigul wrote:Ah, good old remington, I always trim to length and deburr the necks and let the rest of the case fireform- as long as they are in the ballpark.

In the ballpark is pretty broad for packet brass, some of my Remington brass necks look like someone had at them with a pair of pliers before packing them

In the ballpark is pretty broad for packet brass, some of my Remington brass necks look like someone had at them with a pair of pliers before packing them

I am not too fussed about them until I have fired them once as long as they are within spec and without any major deformations that won't correct with firing. Full length sizing new brass before firing is only working the case for no real gain. It is a bit like neck turning before they are fireformed, nice if you want to kill time but pointless really.

Once they are fireformed to one of my target rifles then I start batching and from then on only neck size with the occaisonal bump from a body die and annealing every ten to fifteen reloads. I have never had to full length size new brass of any brand to get it to chamber.

I don't think neck tension is as big an issue when you are seating close to the lands and unless there is a thickness issue(I often trim when necking cases down) I leave the turning tools on the shelf, I personally want to see return for time spent and if I can see no appreciable benefit in what I do I don't waste the time. I gave up primer pocket uniforming and deburring and ,mandatory neck turning after serious load development showed there was no benefit for me personally and I haven't suffered, but that is me not gospel.

I definately wouldn't bother for hunting loads.

Just my humble opinions.

I am not too fussed about them until I have fired them once as long as they are within spec and without any major deformations that won't correct with firing. Full length sizing new brass before firing is only working the case for no real gain. It is a bit like neck turning before they are fireformed, nice if you want to kill time but pointless really.Once they are fireformed to one of my target rifles then I start batching and from then on only neck size with the occaisonal bump from a body die and annealing every ten to fifteen reloads. I have never had to full length size new brass of any brand to get it to chamber.I don't think neck tension is as big an issue when you are seating close to the lands and unless there is a thickness issue(I often trim when necking cases down) I leave the turning tools on the shelf, I personally want to see return for time spent and if I can see no appreciable benefit in what I do I don't waste the time. I gave up primer pocket uniforming and deburring and ,mandatory neck turning after serious load development showed there was no benefit for me personally and I haven't suffered, but that is me not gospel.I definately wouldn't bother for hunting loads.Just my humble opinions.

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