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Thread: Powder for 6.5 06 and 140gr projectile

  1. #1
    Caretaker - Gone But Not Forgotten jakewire's Avatar
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    Powder for 6.5 06 and 140gr projectile

    All going well I should have the 6.5 06 up and running next weekend
    What powder have folk found best in the 140gr bullet range
    I have on hand ADI 2208, 2209, 2213sc and VtVh N560

    looking about it seems 2209 or 2213sc would be the best bets amongst what I have?
    Anything else worth a look?
    cheers.
    mucko likes this.
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  2. #2
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    How long is your barrel??

  3. #3
    Caretaker - Gone But Not Forgotten jakewire's Avatar
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    25"
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  4. #4
    Member Wingman's Avatar
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    2213sc will get the best speed and probably accuracy too with that longer barrel.
    RL26 would also work great

  5. #5
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    Make sure you work up - both these powders look excellent (case full and 100% burn)

    Vihtivouri N560

    Cartridge : 6.5-06 A-Square
    Bullet : .264, 140, Sierra SPBT 1730
    Useable Case Capaci: 62.717 grain H2O = 4.072 cm³
    Cartridge O.A.L. L6: 3.340 inch = 84.84 mm
    Barrel Length : 25.0 inch = 635.0 mm
    Powder : Vihtavuori N560

    Predicted data by increasing and decreasing the given charge,
    incremented in steps of 2.0% of nominal charge.
    CAUTION: Figures exceed maximum and minimum recommended loads !

    Step Fill. Charge Vel. Energy Pmax Pmuz Prop.Burnt B_Time
    % % Grains fps ft.lbs psi psi % ms

    -20.0 81 48.00 2534 1997 34878 11127 92.1 1.578
    -18.0 83 49.20 2599 2100 37347 11470 93.4 1.535
    -16.0 85 50.40 2664 2206 39992 11799 94.5 1.485
    -14.0 87 51.60 2728 2314 42830 12111 95.5 1.438
    -12.0 89 52.80 2793 2425 45875 12406 96.5 1.392
    -10.0 91 54.00 2858 2539 49122 12681 97.3 1.348
    -08.0 93 55.20 2922 2654 52571 12935 98.0 1.306
    -06.0 95 56.40 2986 2772 56257 13166 98.6 1.266 ! Near Maximum !
    -04.0 98 57.60 3050 2892 60201 13374 99.1 1.227 ! Near Maximum !

    H4831SC
    Cartridge : 6.5-06 A-Square
    Bullet : .264, 140, Sierra SPBT 1730
    Useable Case Capaci: 62.717 grain H2O = 4.072 cm³
    Cartridge O.A.L. L6: 3.340 inch = 84.84 mm
    Barrel Length : 25.0 inch = 635.0 mm
    Powder : Hodgdon H4831 SC

    Predicted data by increasing and decreasing the given charge,
    incremented in steps of 2.0% of nominal charge.
    CAUTION: Figures exceed maximum and minimum recommended loads !

    Step Fill. Charge Vel. Energy Pmax Pmuz Prop.Burnt B_Time
    % % Grains fps ft.lbs psi psi % ms

    -20.0 79 46.40 2450 1866 34276 9973 91.6 1.588
    -18.0 81 47.56 2510 1959 36647 10280 92.8 1.545
    -16.0 83 48.72 2571 2055 39169 10577 93.9 1.498
    -14.0 85 49.88 2632 2153 41874 10861 94.9 1.451
    -12.0 87 51.04 2693 2254 44759 11131 95.9 1.406
    -10.0 89 52.20 2754 2357 47816 11388 96.7 1.363
    -08.0 91 53.36 2814 2462 51073 11628 97.5 1.322
    -06.0 93 54.52 2875 2569 54556 11851 98.1 1.282
    -04.0 95 55.68 2935 2678 58283 12057 98.7 1.243 ! Near Maximum !
    -02.0 97 56.84 2996 2790 62273 12242 99.1 1.206 ! Near Maximum !
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  6. #6
    northdude
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  7. #7
    Member chainsaw's Avatar
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    My experience with 6.506ai - that 2213SC hit pressure too soon for max velocity (AMAX and Partitions 140 gn), 2217 gave better speed and similar accuracy. N560, RL25 or 26 should be ideal
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  8. #8
    Caretaker - Gone But Not Forgotten jakewire's Avatar
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    Cheers all I'll try the 560 first.

    Thanks For that @Tentman
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  9. #9
    Member Wingman's Avatar
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    Ill be interested to know what velocity you can achieve with this cartridge

  10. #10
    Caretaker - Gone But Not Forgotten jakewire's Avatar
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    I want it as a long range wallaby gun and a gong shooter so will be going for the best mix of speed and accuracy I can find
    If it shoots as well but a bit flatter and naturally faster than my 6.5x55 I'll be a happy camper.
    northdude likes this.
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  11. #11
    dog chaser distant stalker's Avatar
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    Noting we still dont have pics posted...
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  12. #12
    Caretaker - Gone But Not Forgotten jakewire's Avatar
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    I haven't got the bloody thing yet
    Mark was to test fire this weekend and if all good bed it into the stock ready for me next weekend.
    It will probably rain.
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  13. #13
    northdude
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    hopefully not tears ordered dies for my project today 25" barrel sounds like a good compromise much advantage over a 24

  14. #14
    Caretaker - Gone But Not Forgotten jakewire's Avatar
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    Nah just the way it worked out.
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  15. #15
    dog chaser distant stalker's Avatar
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    ...
    outdoorlad likes this.

 

 

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