Forums
New posts
Search forums
What's new
Articles
Latest reviews
Author list
Classifieds
Log in
Register
What's new
Search
Search
Search titles and first posts only
Search titles only
By:
New posts
Search forums
Menu
Log in
Register
Install the app
Install
Forums
Rifles, Reloading, Optics, Equipment
Reloading
new brass vs fire formed?
JavaScript is disabled. For a better experience, please enable JavaScript in your browser before proceeding.
You are using an out of date browser. It may not display this or other websites correctly.
You should upgrade or use an
alternative browser
.
Reply to thread
Message
<blockquote data-quote="boomtube" data-source="post: 681311" data-attributes="member: 9215"><p>"...groups shrink down considerably when using fire-formed brass when compared to new. In my case I believe fire-formed brass gives much better headspace when I control shoulder bump to .002". I also find regular annealing helps too. Maybe it will be too much to say I use a concentricity gage to identify errors/differences in my process and reduce runout ... "</p><p> </p><p><em>Two questions: </em></p><p> </p><p><em>1. 'Considerable' tells us nothing; how much change did you see?</em></p><p> </p><p><em>2. Is it at least possible that a considerable part of that 'considerable' change do you attribute to "fireforming" as opposed to the use of that concentricity gage and maybe some other advanced loading techniques as well?</em></p><p> </p><p>Bottom line, cause and effect sometimes get scrambled. In a very long time of reloading I've never seen any dramatic or consistant accuracy difference between fired and virgin cases but I have seen accuracy degrade as cases age, even with regular annealing. Ditto every other experienced handloader I've discussed the question with. ??</p></blockquote><p></p>
[QUOTE="boomtube, post: 681311, member: 9215"] "...groups shrink down considerably when using fire-formed brass when compared to new. In my case I believe fire-formed brass gives much better headspace when I control shoulder bump to .002". I also find regular annealing helps too. Maybe it will be too much to say I use a concentricity gage to identify errors/differences in my process and reduce runout ... " [I]Two questions: [/I] [I]1. 'Considerable' tells us nothing; how much change did you see?[/I] [I]2. Is it at least possible that a considerable part of that 'considerable' change do you attribute to "fireforming" as opposed to the use of that concentricity gage and maybe some other advanced loading techniques as well?[/I] Bottom line, cause and effect sometimes get scrambled. In a very long time of reloading I've never seen any dramatic or consistant accuracy difference between fired and virgin cases but I have seen accuracy degrade as cases age, even with regular annealing. Ditto every other experienced handloader I've discussed the question with. ?? [/QUOTE]
Insert quotes…
Verification
Post reply
Forums
Rifles, Reloading, Optics, Equipment
Reloading
new brass vs fire formed?
Top