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Thread: 270 150 grn game kings

  1. #1

    270 150 grn game kings

    hi everyone

    does anyone have any loading info for these bullets


    cheers

  2. #2
    Lots. What powder and primers do you have on hand?

  3. #3
    I have vit n 135,140,165 and federal natch primers and also cci primers



    cheers

  4. #4
    I have not tried N-165, and you would need that or N-160 for 150-gr bullets.

    A classic load is about 56.0 gr of IMR-4831 or 57.0 gr H-4831, but start at 53.0 and work up carefully.
    Rem brass, CCI-200 primers, tiny groups at well over 2,900 fps.
    3.30" COAL. I load mine at 3.32" for 5 different rifles, and all shoot it.


    55.0 gr of RL-19 or 57.0 of RL-22 about the same.
    so that is where N-165 should be ( 51 - 55.0). Again, start at 51.0.

    Hornady says 50.9 of N-165 for 2,500 fps up to 57.1 gr for 2,800 fps.

    Old notes from a friend says he loaded .270 Sierra GK over 55.5 gr N-560 for 2,810 fps from a 22-inch barrel M-70 FWT,
    and 51.1 gr N-160 for 2,710 fps ( lower pressure, very accurate),
    and 53.2 gr N-165 for 2,650 fps ( starting load, very accurate ).

    Here are some faster powder loads from Nosler

    270 Winchester
    150gr Ballistic Tip® & Partition® *MOST ACCURATE LOAD
    Ballistic Coefficient: .496, .465
    Sectional Density: .279

    Powder: N-165
    54.0 2,842 fps 96% MAX
    52.0 2,752 fps 92%
    50.0 2,662 fps 88% most accurate

    Powder: IMR4320
    Charge Weight (in grains) Muzzle Velocity (fps) Load Density
    45.0* 2818 fps 72%
    43.0 2723 fps 68%
    41.0 2628 fps 65%

    Powder: W760
    Charge Weight (in grains) Muzzle Velocity (fps) Load Density
    50.0 2810 fps 80%
    48.0 2740 fps 76%
    46.0* 2670 fps 73%

    Powder: H4350
    Charge Weight (in grains) Muzzle Velocity (fps) Load Density
    52.0* 2782 fps 83%
    50.0 2657 fps 80%
    48.0 2532 fps 76%

    42.0 gr of IMR-4064, working up to 45.0 gr in Rem brass and CCI primers.
    Last edited by Southern; 19-02-2015 at 21:41.

  5. #5

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