6.5x47L 140 Berger LRBT ??

Discussion in 'Big Stuff -- 6.5mm, 7mm, 30 Cal' started by mr.big, May 15, 2018.

  1. mr.big

    mr.big

    Joined:
    May 15, 2014
    Messages:
    1,593
    getting a new Krieger 30 inch 4G 8 twist fat bbl for my Stiller PredatorV in an ST1000F in 6.5x47,,my last bbl was a 28inch 5R Bartlien and it wouldnt shoot any of the 140`s well but it shot the 130 VLD and 123 Scenar really well,,

    thought I would start the new Krieger with the 140 LRBT and H4350 or RL16 and maybe try the 140 VLD,,,,would like to stay under/around 2 inches at 600 yards,,any reasons this shouldnt work other than the nut behind the trigger??
     
  2. ShootDots

    ShootDots Gold $$ Contributor

    Joined:
    Jan 9, 2008
    Messages:
    4,371
    Somewhere between 39.0 and 40.2grs of H4350 will get you where you want to be.
     
  3. germanlongbow

    germanlongbow Scott M Bainbridge

    Joined:
    Apr 24, 2011
    Messages:
    351
    I bough a 4 groove Krieger last year for a 6.5 Saum project and took off after 400 rounds of less than acceptable groups. Replaced with a 5r Krieger with similar luck. Not sure what the issue is I have a lot of Krieger and bartlein barrelanrhat shoot great. Beginning to think it may just be the cartridge choice. Have seen a lot of 6.5 Saum groups from other shooters having better success. Good luck with the Krieger. Great barrel and company to work with. 6.5x47 next project on my list.
     
  4. bbarber25

    bbarber25 Silver $$ Contributor

    Joined:
    Dec 25, 2011
    Messages:
    56
    I’ve had two 6.5x47’s one with an 8twist and the other with an 8.5” twist and both have shot remarkably well with 40.0grs H4350 under the 140 Berger
     
  5. 4xforfun

    4xforfun Gold $$ Contributor

    Joined:
    Apr 25, 2010
    Messages:
    2,251
    I just jumped into the 6.5-47L for the first time. I got NO LOVE out of the 140 Hybrids at all. Tried a seating depth test to see if that would help....nope!! I am using H 4350 and CCI 450's. Things got better with the 140 VLD at 40.1.......but still not real happy with them. Gave a quick run with the VLD and RL17....no joy. I still have the 140 LRBT to try and then I move down to the 130 class......the VLD and the AR Hybrid with Varget.

    Also, it's been a while since I worked this hard with the BR guns...I am sure I have some shooter issues to work out.

    We'll see.

    Tod
     
  6. jr600yd

    jr600yd

    Joined:
    May 22, 2006
    Messages:
    961
    I tried the 140’s in my 6.5/06 with a Krieger 1/8. Changed powders, brass, primers, seating depths they just didn’t work the way I wanted them to. Went to Sierra 142’s and everything changed for the better.
     
  7. North Fork

    North Fork

    Joined:
    Oct 29, 2009
    Messages:
    228
    Try the 140 gr Berger elite hunter
     
  8. JBT

    JBT Gold $$ Contributor

    Joined:
    Jan 24, 2017
    Messages:
    856
    I shoot the 140 LRBT from 6.5x47. They shoot good in mine using H4350.
     
  9. mr.big

    mr.big

    Joined:
    May 15, 2014
    Messages:
    1,593

    I couldnt get the 140 anythings to shoot in the 5R Bartlein but it hammered the 130 VLD`s with 42 grs H4350 at 3,000 fps,,it wasnt even hard to hit the spray paint cans at 1,000 yards after painting the steel plates,,
     
  10. 4xforfun

    4xforfun Gold $$ Contributor

    Joined:
    Apr 25, 2010
    Messages:
    2,251
    I just loaded up a double ladder test in .3 incruments from 38 - 41.3 with the 140 BT and H4350. I will run them low to high and then high to low at 750 yards. If I don't see anything that jumps out at me I am going to move to the 130's. Then I have to decide on H4350 or Varget.

    I do know this...I had an appointment that was going to prevent me from finishing the loading process and didn't want to leave my loads without a bullet seated, so I turned my Seating die up 65 thou from where the 140 VLD's were jammed....planning on adjusting back down shorter to find the jam..... and I am still off the lands with the 140 LRBT loaded long!! I will need to see exactly how far off I am if anything pans out....but these LRBT's are WAY different than the Hybrid or the VLD as far as seating depth.
     
  11. mr.big

    mr.big

    Joined:
    May 15, 2014
    Messages:
    1,593
    I had better luck with RL15 than Varget with the 123 Scenars but the 130 VLD and H4350 was top dog in that Bartlein,,

    I am hoping the 140`s shoot in this Krieger but the 130`s at 2950-3000 fps dont give up much at all to the 140s at 2775.
     
  12. 4xforfun

    4xforfun Gold $$ Contributor

    Joined:
    Apr 25, 2010
    Messages:
    2,251
    Berger 140 LRBT's and H 4350 is the ticket. Ran the two ladders.....both showed EXACTLY the same thing...loaded three, 5 shot groups to test at 750....agg right at 2 inches...all verticle, but with zero wind the heavy mirage was ALL VERTICLE, so I call it a win!!

    Now, to get me some in time for next weeks matches. o_O
     
    mr.big likes this.
  13. ShootDots

    ShootDots Gold $$ Contributor

    Joined:
    Jan 9, 2008
    Messages:
    4,371
    When you say the seating depth are WAY different, you are correct! The 140 LRBT has a shorter bearing surface than the Berger 130VLD! Personally, I think the Berger 140 LRBT is one of, if not the BEST 140 class 6.5 bullet made. I also think that because of the short bearing surface, it is the perfect 140 class bullet for the 6.5 x 47! Excellent bullet and excellent cartridge >> would be very hard to beat at Mid-Range F-Open!
     
    Laurie, boltfluter and Lucky7 like this.
  14. mr.big

    mr.big

    Joined:
    May 15, 2014
    Messages:
    1,593
    will the 140 LRBT need a shorter freebore than the 130 VLD,,best I remember the freebore will be .167 ,,but I have that CRS disease and it could be .187,,
     
  15. ShootDots

    ShootDots Gold $$ Contributor

    Joined:
    Jan 9, 2008
    Messages:
    4,371
    I had a L-O-N-G conversation with Dave Kiff about a new .260A.I. specifically for the 140 LRBT. He came up with a freebore of .140. Sounds short, however, it turned out to be perfect! AND I used a box 0f 130VLDs to fireform .260 brass to A.I. It was perfect for that too! I would say anywhere from .140 to .150 for either the 140 LRBT or the 130VLD would be ideal!
     
    Lucky7 likes this.
  16. mr.big

    mr.big

    Joined:
    May 15, 2014
    Messages:
    1,593
    I will ask Tim what freebore I have ,,I think its .167,,but whatever it is is perfect for the 123 Scenars,130 VLDs and 140 Hybirds ,they all reach the lands with the bullet just above the neck shoulder junction and fit in AI mags,,surely I wont have to seat the LRBT out the whole length of the neck to reach the lands?? if so I will probably try the 140 VLD first,,
     
  17. ShootDots

    ShootDots Gold $$ Contributor

    Joined:
    Jan 9, 2008
    Messages:
    4,371
    My first .260A.I. reamer had a .167 freebore. It worked well with EVERYTHING for awhile. The 140LRBT ran out of "neck / bearing surface" right at 800 rounds. I had to resort to the 140 Hybrids, which in themselves are an excellent bullet. Remember, even though the 123 Scenars are 17 grains LESS weight, they have a long bearing surface, as does EVERY Scenar... Sooner or later, Lapua will have to modify their "Scenar" line or go to another line of target bullets, because although they are super accurate bullets, their B.C.s in this "B.C. Bullet "Race", places them well in last place!
     
    Laurie likes this.
  18. mr.big

    mr.big

    Joined:
    May 15, 2014
    Messages:
    1,593
    isn`t the 6.5x47L neck enough longer than the 260 neck to help the situation with the 140 LRBT??
     
  19. ShootDots

    ShootDots Gold $$ Contributor

    Joined:
    Jan 9, 2008
    Messages:
    4,371
    The idea is to use the bullet you want to use till the barrel is used up. I could not do that with a .260A.I. and the 167 freebore using the 140LRBT. The 6.5 x 47 does have a slightly longer neck, however, you get 2500 or so rounds with the '47 out of a barrel. It is doubtful (although possible) that you could run the 140LRBT in the '47 for 2500+ rounds. AND since it does have a longer neck, you could conceivably use a SHORTER freebore yet, and still keep the bearing surface above the neck / shoulder junction. Your .167freebore is fine.. Don't worry about it. However, if you ever decide to get your own reamer, I would counsel you to visit with Dave Kiff. He has a wealth of knowledge about specific reamers you want for a specific bullet!
     
  20. mr.big

    mr.big

    Joined:
    May 15, 2014
    Messages:
    1,593
    I will see how it works out with the 140LRBT and the reamer we use now,,if the bullets need a shorter freebore and shoot better than the VLD`s then we will spec out a new reamer around the 140 LRBT,,whenever I get the new bbl in hand I will be able to figure out the optimum FB for the 140 LRBT ,,but if it is short enough that it put the 130/140 VLD`s below the neck shoulder junction and made the reamer a 1 bullet deal then the LRBT is gonna have to be really impressive ,,or wind up buying a 6.5 uni-throater.
     
    ShootDots and JBT like this.

Share This Page