My wife doesn't care about neck vs full-length sizing .223/5.56 brass...


TGT Addict
Sep 27, 2017
I'd say for the last handful of years conducting rifle quals in the Army, I opted to not pull the trigger on those two 300 yard pop-up targets. Hitting them with pop-up sights after I turned 40 is definitely a NO GO, and hitting them with CCO has lately been a waste of a shot.

I'm not quite ready to try for sub-MOA at 300+ yards with an AR. However, I would like to consistently hit that damn target shooting prone. I don't expect brass sizing methods will matter much in this, but that is where I am coming from.
Gotcha, I shot a ton of pop-ups both with and without the M68, ACOG, irons, and with goggles until I was in my early to mid-40s. Hitting the distant targets in any unsupported position can be challenging given the equipment proivded.

If you’re using blue reloading equipment, the de-prime/sizing die is full-length.


Active Member
Oct 20, 2011
Depends on the weapon and intended use.
To add to this, depends on the shooter. Can you outshoot your ammo? If not, work on improving your shooting first and when you have matched your ammos accuracy, add a new step. Max it, rinse, and repeat. Then when you hit the limits of your gun, upgrade and start again. If you are like most of us mortals, you can't outshoot either your ammo, gun, or the combo these days because they are so damn good out of the box, assuming you aren't a turd at reloading!


Active Member
Oct 13, 2017
I have a custom built Remington 700
Defiance action, lilja barrel, chambered in 260.

I reload for accuracy and used to shoot it in precision rifle competitions.

I didnt neck size, or full length. I would take a fire formed brass and bump the shoulder just a bit with these shell holders

And i would use an S bushing die to controll my neck tension.

This wouldnt work well in a semi auto.

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Active Member
Oct 13, 2017
Wait... you didnt neck size but you sized the neck? Lol, sorry man, I couldnt help myself. Bushing sizing is still sizing! :) :)
I could have been more clear.
I dont size just the neck.
I also bump the shoulder, but not as much as a full length die.

The bushing dies are pretty cool. You take.imto consideration your brass neck thickness and choose the right die to give adequate neck tension. You can really feel the difference in bushings when you seat the bullet.

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New Member
Jun 14, 2014
I have seen significant accuracy improvement from neck turning and neck sizing for bolt guns. I have also tried neck turning and FL resizing for an AR. I didn't see much benefit from the neck turning in the AR but the rifle is very accurate to begin with - 0.5 MOA if I do my part.


Nov 22, 2008
Red River Way
Those guys interviewed in Erik's second video and Erik himself set plenty of records in pure accuracy doing the full length minimal bump that were previously held by nk only guys. They want things exactly the same every time and neck sizing will not allow for that.

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TGT Addict
Jul 1, 2008
So.....what else does your wife not care about?....

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Feb 9, 2012
Hmmm! A wife without an opinion on a subject? Does she criticize your parking techniques? My wife thinks I should park within the lines. I might do that someday just for fun.


Cranky old fart: Pull my finger
Jan 9, 2013
San Angelo
I then watched another video by Erik Cortina from 2019. This video is a rebuttal to all those dissenting opinions and he made a rather convincing argument from my point of view. I'm just saying...
One would probably run out of talent long before mechanical issues (neck vs full length, etc) limited their performance if they emulated Cortina's methods.

I watched those videos, the first time most likely within several days of when each was originally posted. I met Erik several times between 2013 and 2016 when I was much more active in 3gun and researching and watching several PRS matches, trying to decide if I was going down that particular rabbit hole. He is one of the sharpest guys I've ever met, and that's saying something, because I think a LOT of myself :)

We are really blessed in Texas, imho, in that almost none of our champion-level shooters, in almost any of the disciplines, are jerks (although I know NOTHING about skeet/trap/etc people). They're almost all extremely nice guys. Erik is likewise one of the nicest guys you're likely to encounter, too.

In bolt guns, 100% run the way Erik does.

As others have said, for semi-autos, you pretty much have to size the entire case- IF it's an interference-ejection style, like an AR where the case hits the deflector behind the ejections port, because when it hits that and dents the case, it likewise bulges the edges of that deflector-line... Of course, if one has an AR that, somehow, doesn't slam the case into the deflector, then I'd only neck-size, too.
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