6BRA load data

Discussion in '6BR, 6BR Improved & Wildcats' started by Alex Wheeler, May 6, 2018.

  1. urbanrifleman

    urbanrifleman Site $$ Sponsor

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    Thank you. That seems to be what I saw. Essentially my 6bra will shoot the node my fast 6br shot as fast as it would go, and do it without even breathing hard
     
  2. johara1

    johara1

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    Speed depends on the barrel also, one Lederer shoots good at 2970-80 the same load shoot at 2998 out of the other Lederer. It is just faster both shoot small.... jim
     
  3. Panda Nick

    Panda Nick Gold $$ Contributor

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  4. dgeesaman

    dgeesaman Gold $$ Contributor

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    Interesting. I loosen primer pockets at 30.5 with AR-Comp and barely reached 2950. I start deforming primers and making extractor marks around 30.3. Lapua blue box, BR-4, Berger 108s, Wheeler w .271 neck turned to .268.
     
  5. Hrsmn51

    Hrsmn51 Gold $$ Contributor

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    My barrel is being chambered this week. Whose resize die would you recommend? Am I right I can use my BR seating die?
    Thanks
    H
     
  6. Dave Way

    Dave Way Gold $$ Contributor

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    I've had lots of success with the Harrells size dies. You can send a couple fired cases and he will fix you up. I hope it shoots great for you! Its a really cool little cartridge.

    Dave.
     
    Last edited: Nov 7, 2019
  7. Hrsmn51

    Hrsmn51 Gold $$ Contributor

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    Thanks Dave! I have seen others recommend Harrells.
    H
     
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  8. mr.big

    mr.big

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    I wound up using a 6 Dasher seater die, as they have the same 40 degree shoulder
     
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  9. Hrsmn51

    Hrsmn51 Gold $$ Contributor

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    Thanks! Not sure which seater yet, may end up with a Harrells.
    Thanks for your input.
    H
     
  10. Gabe22BR

    Gabe22BR Gold $$ Contributor

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    1C26F3EA-196E-42B5-A826-529ADC0552CB.jpeg Here’s my bra seater die.
    .080 off a Dasher die
     
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  11. BartsBullets

    BartsBullets Gold $$ Contributor

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    That’s Pretty!!!
     
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  12. Mulligan

    Mulligan Gold $$ Contributor

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    Kind of amazing really.
    I barely find time to load for the next match.
    CW
     
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  13. Rushty

    Rushty Silver $$ Contributor

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    Literally a mirror finish ! Nice..
     
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  14. Gabe22BR

    Gabe22BR Gold $$ Contributor

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    Thanks guys.
    Winter has set in...

    My slow lot load:
    31.12gr H4895
    205M primer
    Bart’s-105
     
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  15. KS6mm

    KS6mm

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    How fast are you guys able to push a 107 smk in a 26-28 inch .237 5R bartlein with h4895 and 450s?
     
  16. Northridge

    Northridge

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    really depends but my testing the 107 usually they will make as much or more velocity than other bullets in the 103-108 class..

    Shawn Williams
     
  17. KS6mm

    KS6mm

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    I’m not super concerned with speed, but at times it would be nice to go up to the higher node. from my testing my with barrel and powder, I haven’t been able to break 2920 in 80 degree weather or warmer without heavy bolt lift, some flattening of primers, and heavy ejector marks. I’ve got a 27 inch barrel on an impact action. Only bumping shoulders .002
     
  18. JohnMill

    JohnMill Gold $$ Contributor

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    Thanks Mr.,do you cut it down?
    JohnMill
     
  19. Chuckhunter

    Chuckhunter Silver $$ Contributor

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    John, I also used my dasher seater and it works fine. Just ran the seating stem in a bit further. Also used my Harrell Dasher FL bushing sizer but that had to be cut down approx., .080
     
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  20. shotdown

    shotdown

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    6BRA Fireforming load:
    CCI400
    Nosler 105 RDF
    29.6 gr H4895 @ .010 off lands
    2832 fps / 28” Proof barrel
    3.6 SD / 8 ES
     
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