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  #1  
Old 04-14-2019, 12:01 AM
sigguy552 sigguy552 is offline
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Default Anyone using Lee precision collet neck sizing die for bolt gun?

I've been researching FL resizing vs neck sizing and found quite a few articles/videos regarding the Lee collet die being awesome as it produces brass necks with virtually no run-out.

I only shoot and reload for one rifle/caliber so don't need to FL resize. Anyone here have any experience or feedback on the Lee dies?
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Old 04-14-2019, 12:20 AM
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I use the Lee neck sizer on almost everything. If the shoulders need to be bumped I use Redding body dies.
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Old 04-14-2019, 12:36 AM
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If only using and reloading for one rifle, neck sizing likely best bet as form fitted case only needs tension to hold new projectile in place. Definitely easier to prep brass prior to reloading and likely increase case life.

I have used Lee neck sizing on 300 Win but have not gone through enough of initial loading to see if form fitted, neck sized only brass has made any substantial increases in accuracy.
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Old 04-14-2019, 12:43 AM
pacrat pacrat is offline
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Lee Collet Neck Sizers are awesome.

Quote:
I only shoot and reload for one rifle/caliber so don't need to FL resize.
You will in the future, need to FL size occasionally, just enough to bump the shoulder.

How often depends on many variables.
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Old 04-14-2019, 1:26 AM
hambam105 hambam105 is offline
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I see a donut forming on the neck of your bottleneck rifle brass.

Full Length Resize.
Bump size.
And just neck sizing.
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Old 04-14-2019, 6:55 AM
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Itís all Iíve ever used in 7mm-08 and it has worked fine.

And donít tell anyone, but I have TWO 7mm-08 rifles and neck sizing only still works fine. Brass fits in either rifle with no issues.


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Old 04-14-2019, 8:41 AM
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Quote:
Originally Posted by sigguy552 View Post
I only shoot and reload for one rifle/caliber so don't need to FL resize.
Nonsense, you will need to F/L size after several firings of N/O sizing. You can learn the hard way like most of us that believed that by having to beat on your bolt handle when you get a stuck case.

I do use the Lee Collet Die with great results, but I don't N/O for more then 4 firings.
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Old 04-14-2019, 8:57 AM
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Quote:
Originally Posted by scotty99 View Post
It’s all I’ve ever used in 7mm-08 and it has worked fine.

And don’t tell anyone, but I have TWO 7mm-08 rifles and neck sizing only still works fine. Brass fits in either rifle with no issues.
One anecdotal account that doesn't usually occur for most people...

Last edited by smoothy8500; 04-14-2019 at 9:00 AM..
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Old 04-14-2019, 9:08 AM
sghart sghart is offline
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I use the Lee neck sizing dies in 4 diffferent calibers. I like them and they work very well.

I would recommend full length sizing your brass initially. Especially if it is range pick up or of unknown origin. Then trim, etc,.

After that you can neck size several times before you have to full length size again. I usually go 4 or 5 times.

On the die itself follow the set up instructions carefully. It is very easy to set the die body too deep in your press. This will cause the collet "fingers" to go too high into the top of the die and jam it up. Ask me how I know.

Best of luck,


Steve in N CA
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Old 04-14-2019, 11:38 AM
hambam105 hambam105 is offline
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If you don't always load to max pressure and bump size I think the Lee Neck gizzmore is dern good. Please excuse the technical G term.
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Old 04-15-2019, 3:02 PM
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Quote:
Originally Posted by hambam105 View Post
I see a donut forming on the neck of your bottleneck rifle brass.
Not so. Neck "donuts" are a result of bushing type neck sizers that use friction to size necks. The donut forms at the point on neck where the bushing doesn't reach.
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Old 04-15-2019, 6:14 PM
scotty99 scotty99 is offline
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Quote:
Originally Posted by smoothy8500 View Post
One anecdotal account that doesn't usually occur for most people...


I would honestly be curious to know how many people have tried it and had it not work. I also wonder if the brand of brass would matter.

How much does the average OD of a fired case change during FL resizing? It occurs to me Iíve actually never measured for that. Nor have I measured the OD of same-caliber cases fired from two different rifles.

Itís always interesting to discover how much you donít know, especially on a subject about which you know quite a bit.


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Old 04-15-2019, 6:57 PM
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I like the Lee mandrel style neck sizer on my bolt guns. I don't have multiples of the same caliber bolt guns.
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Old 04-15-2019, 9:50 PM
sghart sghart is offline
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Quote:
Originally Posted by scotty99 View Post
I would honestly be curious to know how many people have tried it and had it not work. I also wonder if the brand of brass would matter.

How much does the average OD of a fired case change during FL resizing? It occurs to me I’ve actually never measured for that. Nor have I measured the OD of same-caliber cases fired from two different rifles.

It’s always interesting to discover how much you don’t know, especially on a subject about which you know quite a bit.


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This may be apples and oranges but I have a Savage model 12 bolt gun. Heavy barrel, tripod, 40 power scope, etc. It is my varmint rifle. It is chambered in .223.

I use the Lee collet die to reload my rounds for this rifle from brass that has been fireformed in the chamber.

On one occasion at the range I had inadvertently loaded a mag for my AR with these rounds and not my normal reloads that I full length size.

You guessed it, they wouldn't chamber.

Is this one anecdote the end-all of the discussion? Not hardly. But it did prove to me that the collet die has some validity. Especially after verifying that the rounds that wouldn't chamber in my AR fed flawlessly in my bolt gun.

Best of luck.
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Old 04-16-2019, 6:38 AM
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Quote:
Originally Posted by scotty99 View Post
How much does the average OD of a fired case change during FL resizing? It occurs to me I’ve actually never measured for that. Nor have I measured the OD of same-caliber cases fired from two different rifles.
It's not the OD difference as much as the shoulder moving forward with each firing. Under pressure the rifle's chamber exhibits stretch. Brass has a certain amount of elasticity that keeps moving the shoulder forward with each firing. The camming action of the bolt is able to "cram" the case on closing. However, at some point after multiple firings, it will be unable to close the bolt causing a stuck case.

Maybe factors such as brass quality or lower chamber psi reduce the effects, but it will eventually happen. That is why most competitive shooters/reloaders FL size after 4 firings, or use FL sizing exclusively.
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