Gold Supporter
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I personally wouldn't sweat any supportive or opposing opines on stuff like this. There are such a myriad of things that will affect what happens between the muzzle and target, with many out comes of one, hard to reproduce by the guy on the bench next to him. Give me a one hole rifle with a one hole perfect load with powerful optics, and I still wont be able to bench shoot it better than 1moa. That's me, now my wife might be able to make the hole smaller than the bullet diameter. Even the length of the bullet and where it sits within the case has their own set of anomalies. The best a new hand loader can do is start with the basics, if you are serious about being the best you can then keep detailed records of everything, modify one thing at a time to gauge its impact, reject what seems to be "make work" read, talk try. Eventually you will form your own opinions and know for yourself what work for you. And yes, likely contrary to some.Having no experience (yet) with this I can only go by the majority of what I'm reading which has supported full length sizing over neck only both in benchrest shooters and for hunting applications...
I can only ask questions based on my understanding at this time, but my understanding is that neck sizing is an improvement over full length sizing when headspace isn't controlled, but doesn't control case runout which is an improvement over fireformed brass when headspace is controlled in the full length resizing.
Im open to all opinions but the good news is whatever I decide should yield an improvement over factory ammo so there might be an argument for simplicity, though my nature enjoys the technical details of things so I tend to favor whatever method will extract the most precision I can get for even just a hunting rifle.
Just for fun;
May 16th1901, In Boulder Colorado, Mr. Rowland fired a 200 yard, ten shot, one holer, with a black powder breach loader measuring .725".
Each and every lead alloy bullet being inserted from the muzzle end.
To prove it was no accident he did it again with a Schoyen built rifle in 1931.
Back them this was considered impossible, to my knowledge not repeated by others.
I personally cant do that with any of my modern rifles, spiffy projectiles and fancy scopes. (at least any more)
# ( using a Schuetzen style .32-40 breach loader, Hazard's FG black powder, Pope machine rest)
This info (paraphrased) comes from a book "the Accurate Rifle" by Warren Page.