Quantcast
  1. This site uses cookies. By continuing to use this site, you are agreeing to our use of cookies. Learn More.

Fire forming brass, does it make a big difference in accuracy?

Discussion in 'Handloading and Reloading' started by LivewireBlanco, Jan 21, 2013.

Thread Status:
Not open for further replies.
  1. LivewireBlanco

    LivewireBlanco Member

    Joined:
    Jun 29, 2011
    Messages:
    252
    Location:
    Texas
    So I'm reloading for my 30-06 and trying to find the most accurate load with a particular bullet powder combination. My problem is that I only have 12 rounds of fire formed Remington brass to start with. I do have some resized brass that is Remington but in my quest for working up a good load how big of a difference will it make if it's not fire formed?
     
  2. Dthunter

    Dthunter Member

    Joined:
    Feb 2, 2012
    Messages:
    299
    Location:
    Alberta, Canada
    Every rifle is different. Some rifles see dramatic improvement with fireformed and neck sized cases.

    You have to shoot the rifle both ways to know exactly how
    Much improvement there is.
     
  3. hueyville

    hueyville Member

    Joined:
    Jan 5, 2013
    Messages:
    535
    Location:
    Blue Ridge Mountains
    +1. Every rifle has its own personality.
     
  4. bluetopper

    bluetopper Member

    Joined:
    Dec 17, 2005
    Messages:
    3,221
    Location:
    Northeast TX
    You're not expanding the brass to a different caliber are you? Why does it need to be fireformed?
     
  5. 243winxb

    243winxb Member

    Joined:
    Jul 7, 2004
    Messages:
    8,666
    Location:
    Hopewell Big Woods
    New factory brass will group about 1/4" larger @ 100 yds (243win.) 5 shots.
     
  6. witchhunter

    witchhunter Member

    Joined:
    Aug 29, 2012
    Messages:
    1,823
    Location:
    Lassen County, California
    Do you mean brass that has been fired in your rifle and neck sized or FL sized brass that hasn't been fired in your rifle? If your brass is FL sized, it shouldn't matter. I feel that neck sizing does matter in most instances, but not always. All of my rifles are extremely finicky about every little thing, my friend buys a new gun, it shoots one hole groups with mixed ammo....
     
  7. rcmodel

    rcmodel Member in memoriam

    Joined:
    Sep 17, 2007
    Messages:
    59,082
    Location:
    Eastern KS
    The shooting practice you get shooting groups with un-fire-formed brass will make your groups smaller then firing fire-formed brass. ;)

    rc
     
  8. LivewireBlanco

    LivewireBlanco Member

    Joined:
    Jun 29, 2011
    Messages:
    252
    Location:
    Texas
    Thanks for the input guys. I guess I just need to put some rounds down range and see what the rifle likes.
     
  9. fguffey

    fguffey Member

    Joined:
    Aug 28, 2008
    Messages:
    2,657
    You're not expanding the brass to a different caliber are you? Why does it need to be fire formed?
    __________________

    I pull the trigger then ejected a once fired case, seems the fad is pull the trigger then eject a fire former case. Pulling the trigger to become a ‘fire former’ is a short cut. I have forming dies, moving the shoulder is the difficult part. The difficult part is knowing where the shoulder is located in reference to the bolt face, for those that understands ‘datum’ it is about knowing where the bolt face in reference to the datum/shoulder is located, in thousandths.

    F. Guffey
     
  10. LivewireBlanco

    LivewireBlanco Member

    Joined:
    Jun 29, 2011
    Messages:
    252
    Location:
    Texas
    I'm just talking about firing it to conform my brass to the chamber of my rifle, not putting it in a forge or anything crazy like that.
     
  11. Dthunter

    Dthunter Member

    Joined:
    Feb 2, 2012
    Messages:
    299
    Location:
    Alberta, Canada
    I have had .308's shoot unfired brass loaded with a given charge of Varget shoot into 1-1.25".
    Then took those same cases, neck sized them, reloaded them with the same charge of Varget & seating depth/bullet etc. The resulting groups were sub 1/2" consistantly!

    Then I have had rifles that defied that and shot VERY CLOSE to the same 1/2" groups "WITHOUT" fire forming yet.
    Upon reloading those cases for that rifle, it was harder to beat the groups with unfired cases. Its a crap shoot that way.

    I "tend" to get better accuracy with fire formed and neck sized cases. About 98% of the time.

    So you make Your own conclusions on my experiences.

    Now if you sort/uniform the primer pockets/flash holes/case length/case weight/neck thickness/fire form/and neck size, you will see an improvement again! But it winds up being ALLOT of work!

    It all depends what your goals are. Thats what my standard brass preperations are. I do it to nearly all my rifles. A bit "OCD" maybe, but very rewarding on the paper & target/game animals!
     
    Last edited: Jan 23, 2013
  12. exdxgxe4life

    exdxgxe4life Member

    Joined:
    Apr 10, 2010
    Messages:
    36
    Location:
    Wisconsin
    +++++1 Dthunter
     
  13. twofifty

    twofifty Member

    Joined:
    Apr 21, 2007
    Messages:
    1,611
    the Zen thread
     
  14. LivewireBlanco

    LivewireBlanco Member

    Joined:
    Jun 29, 2011
    Messages:
    252
    Location:
    Texas
    Zen thread?
     
  15. fguffey

    fguffey Member

    Joined:
    Aug 28, 2008
    Messages:
    2,657
    Urban Dictionary: zen


    www.urbandictionary.com/define.php?term=zen


    One way to think of zen is this: a total state of focus that incorporates a total togetherness of body and mind. Zen is a way of being. It also is ...

    F. Guffey
     
  16. kelbro

    kelbro Member

    Joined:
    Nov 11, 2007
    Messages:
    1,264
    Location:
    Desert Southwest
    As with many reloading questions... it depends :)

    Had some rifles shoot better with FF brass and others that shot the best with FLR brass.

    There really aren't many shortcuts in this hobby.
     
Thread Status:
Not open for further replies.

Share This Page