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Full length sizing vs Neck sizing ????

Good day fellow shooters.


When I fire a round the case expands. If I neck size the case as oppose to full length sizing that means the case as more capacity should I change my powder charge and if so should I increase or decrease the charge or stay the same.



JonnyBender
 
Case capacities will have no measurable difference between the two methods.

Load 'em the same.
 
I full-size every fired case. I have a neck-sizer die in .223 Remington, but I rarely use it. I cannot tell the difference down-range, but it makes me warm and fuzzy to fully re-size. My bolt probably appreciates full-sized loads, just my guess, as it seats my reloads with aplumb. Brass is quite flexible and never complains about working for you. cliffy
 
One pro to neck size. I have some 2506 cases go 12 loads before the neck split without anealing. Id check full length cases for web stretch at 3 or 4 tops. As long as your bolt closes easy its all good. And a little resistance is fine too. And I get better groups with 3 out of 5 rifles neck sizing. Remember reloading isnt what we like its all about the guns
 
I have a borescope and can see the inside wall of the case form a groove above the web before separating. I collet size and only resize when necessary. Brass will work harden, getting more brittle with each firing, annealing is the only way to return it to a soft state.
 
ya i wish i had a bore scope and the thing to anneal cases my uncle taught my when i was young to set them in a pan of water heat the necks with a torch then tip them over. come to find out that does nothing at all. as far as the neck size thing it helps alot with accurate loading. the other big thing is to keep the bullet in line with the bore. so pull your expander/decapper into the neck on the first round and take it lose. it will then be set with the chamber and bore. remember with the president we have buy alot of stuf load alot and shoot enuf to be good and save the rest for a rainy day. up here in n.d. our 2010 tax forms say we have to write down all of our serial #'s and pay a 50 dollar a gun tax to own guns. i say FUCK THAT
 
After loading hundreds of cases ten times, I've had ONE split-neck to date. Of course, I wanted to know why it happened, but I discarded it after noticing it was a PMC Korean brass case. I've had good success with PMC brass, and most are going strong. Primer Pocket Problems are the most problems I've encountered regarding small rifle PMC brass. I scrounge brass at the ranges I fire at, yet, since I can actually afford to purchase new brass, I've decided it's in my nature not to waste good brass. Love tumbling; Love polishing; Love reloading, so what can I say beyond? I spend lots of money on 50 round plastic ammo boxes. All I need now is some PRIMERS. Cliffy
 
if your only shooting the ammo in 1 gun, its better to neck it.. the brass wont stretch near as much "less trimming"
the load "should" be more accurate
no lubing brass

look into the lee Collet neck die, best neck die i have ever used
 
Every barrel can be different. Most everybody that I talk to in the long range game, Full length sizes every loading. I think it might go in cycles as to who is winning doing what. Just do what ever is most accurate, if you don't see a difference, do what you want to and come up with a good reason for it.
Jim
 
Neck-sizing is only viable with Bolt-Action rifles, and not meant for Semi-Auto or Pump-Action applications. STILL, I full-size my Bolt-Action brass because, I've had some neck-sized cases that simply refused to allow my bolt to close. Cliffy
 
Depends on the rifle, chamber and load.

Gas guns need full length resizing for reliability of feeding otherwise sooner or later it's going to choke feeding a round.

A bolt gun with a factory chamber or close to a factory chamber will need the shoulder bumped sooner or later for ease of feeding. I don't want to have to horse the bolt closed once the case has stretched a bit, it's hard on the lugs.

The hotter the load, the more likely full length sizing is likely to been needed sooner.

I generally full length size with a Redding +.002" shellholder and S type bushing die, it just barely bumps the shoulder and only sizes the neck the minimum needed. At least in my accurate rifles.
 
JonnyBender .........

I prefer to always FL resize. Today even benchrest shooters use FL dies. I always FL resize because my handloads will always chamber properly, and if you measure your cases (at the shoulder) you can see how to adjust your FL die height with minimum chamber clearance.

The trick is to measure your headspace . . . . and don't guess.

By the way, headspace separation is caused by only one thing . . . . . excessive headspece. When your cases stretch to fill your chamber - they crack. If you FL resize accurately headspace separation will never happen.

- Innovative
 

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