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Thread: 6BR loads for 100 yards

  1. #16
    Join Date
    Jun 2010
    Location
    East Tawas, Michigan
    Posts
    290
    mark-x, I tried a few rounds of H335 @ 30 gr. Basically I'm trying to use some of these powders up, originally bought it to try in my 223 but found my barrel liked Benchmark a tad better. I'd say that 33.8 gr's of 8208 was hot. I shot some loads of XBR8208 @ 32.0 gr behind 70 Gr SMK's at 600 yards last week which was when I felt the tight bolt lift, they did shoot well though.

  2. #17
    Join Date
    Jul 2010
    Posts
    250
    yea my 223 liked the benchmark, i tryed to chrony some benchmark in my 6ppc last weekend but it was raining so no chrony but i did shoot it,,ah it shot ok maybe one group got in the high 100's.. If i shoot the H335 this weekend i will chrony it if not raining..but what i remember , i think i was @33.5gr's H335 lit by a cci 450 primer, got to use the 450's because if you get a load tuned, I do mean .100's or low .200's it will stay if you are useing the 450, i dont know why..i have shot good groups with every primer out there but good one day and not the next,but it does seem if you tuned it with a 450 primer, it stays in tune more..that has been my experience.I think i was getting about 3,450 FPS with a 65 v-max,33.5 gr's H335 out of a 26" barrel..and if i remember right you cant tune it you can go up and down on the powder does not seem to change the tune too much, up gets hotter(bolt lift) down just slows it down, wind sensitive..but if it's hot 85 -95 + deg F it shoot's in a hole..if i remember right.
    Oh just so you know i'm on my 7th 6BR barrel, I dont shoot em out as fast as other people because i have several rifles's to shoot so i dont work one too hard all the time..that's 7 barrel's over a 12 year peroid and i have a 3 groove blank that i think i will have it chambered to 6BR also..
    Last edited by mark-x; 08-08-2012 at 08:51 PM.

  3. #18
    Join Date
    Jul 2019
    Location
    Athens, Canada
    Posts
    2
    Quote Originally Posted by mark-x View Post
    well I have had a few 14 twist 6BR's..have two right now..most of my 24" or 26" barrels would shoot 30.5 gr RL10x behind any good 65-66gr custom bullet,lit by a cci 450 primer.. most of the time .010 off the rifeling shot the best..I do mean ppc accurate..mid .100's to mid .200's.. and fairley consistantly over a huge temp range..But i have a 21 3/4 " 13.75 twist barrel now that just does not seem to like it all. But i can say. a shelin,a pac nor(3 groove), a brux. all shot that load real well..If you are shooting a 8 twist I dont know what to tell you, but if it's a 12 twist I would say back off the powder.. find something in the 30.5 to 31.5 range. H322 has shot real well, H4895 has shot well, N133 has shot well,N135,IMR8208xbr,,just to name a few. But dont push it like you would a varmint load. keep the powder down, filled to the top of the shoulder is good enough.That load has shot well enough that i have a hard time not taking it to a match, I know how bad my last agg was with my ppc.I been thinking all week of shooting my 6BR in the next one. ah but i just cant have to take the 6ppc..I know it will be a search in the morning to try and find what will shoot well with either rifle,and im getting real close to knowing what my 6ppc will want..plus i have shot a few small group with it and want to shoot some more of them..
    how many gr. of H4895 did you use.
    Ballcap

  4. #19
    Join Date
    Jul 2019
    Location
    Athens, Canada
    Posts
    2

    Post re 6mmBr loads

    how many grains of H4895 did you use.
    Ballcap

  5. #20
    Join Date
    Feb 2003
    Location
    Houston, Texas
    Posts
    7,363
    I am shooting 80 grn Bartís BTís out of a 1-12 Krieger with a .060 throat BR. 33.7 grn of H4895 gives 3380 FPS out of a 25 inch barrel with great accuracy.

  6. #21
    Join Date
    Dec 2003
    Location
    washington.........STATE that is.
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    10,192
    Quote Originally Posted by jackie schmidt View Post
    I am shooting 80 grn Bartís BTís out of a 1-12 Krieger with a .060 throat BR. 33.7 grn of H4895 gives 3380 FPS out of a 25 inch barrel with great accuracy.
    what do you use that for Jackie?

    I'm going thru and re-chambering up all sorts of old varmint barrels and I just borescoped a 10 and a 12 from years ago that basically look unfired, haven't been able to figger what to do with them......


    I've got probably 1000 of the old Berger 88LD's


    300yds?

    Windy days?

    VFS?

  7. #22
    Join Date
    Feb 2003
    Location
    Houston, Texas
    Posts
    7,363
    Quote Originally Posted by alinwa View Post
    what do you use that for Jackie?

    I'm going thru and re-chambering up all sorts of old varmint barrels and I just borescoped a 10 and a 12 from years ago that basically look unfired, haven't been able to figger what to do with them......


    I've got probably 1000 of the old Berger 88LD's


    300yds?

    Windy days?

    VFS?
    I built it to on occasion shoot it in VFS at 200.

  8. #23
    Join Date
    Dec 2003
    Location
    washington.........STATE that is.
    Posts
    10,192
    Quote Originally Posted by jackie schmidt View Post
    I built it to on occasion shoot it in VFS at 200.
    tx

  9. #24
    Join Date
    Sep 2016
    Posts
    6

    8 twist?

    Going to try UBR factory class with the Savage 12 8 benchrest gun 8 twist barrel, I have the 107 SMK and 68 GN FB Barts, any recommendations on powder and grains? I'm going to range tomorrow with Varget 28.3 GNs for the 107s, may try 31 gns for the 68 barts.

  10. #25
    Join Date
    Dec 2003
    Location
    washington.........STATE that is.
    Posts
    10,192
    Quote Originally Posted by Fcrum View Post
    Going to try UBR factory class with the Savage 12 8 benchrest gun 8 twist barrel, I have the 107 SMK and 68 GN FB Barts, any recommendations on powder and grains? I'm going to range tomorrow with Varget 28.3 GNs for the 107s, may try 31 gns for the 68 barts.

    Ohhh Good On Ya Man!

    GOOD on ya!

    I got zero recommendations re loads, but will tell you "yes, yes, YES go try the competition!"

    the wurm turns.

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