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Tried some 150 grain round nose in 6.8mm SPC

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  • Tried some 150 grain round nose in 6.8mm SPC

    6.8 x 43mm Remington SPC REPORT FIVE Jan 18, 2009
    150 grain jacketed round nose soft point bullets.

    Conditions:
    Rifle: Stag 16 inch flat-top, 1 in 10 twist SPCII chamber, A2 buttstock with Tubbs flat spring

    Sights: Fixed 6 power Leupold. FXIII 42mm Heavy Duplex
    Range 100 yards
    Temp: 32F to Positive 35 degrees F , Pos 2-5 C average
    Light: Bright light on snow.

    LOADS:
    A:
    Bullet: 150 grain Winchester Round Nose, flat base
    Powder: 24.0 grains AA 2230

    Primer: CCI-400small rifle, hand seated
    Brass: SSA
    COL: 2.255 inch Lee Factory Crimp

    Velocity average: 1,800 fps 28 fps ES
    3 inch group. OK primers

    B:
    Bullet: 150 grain Winchester RN, flat base

    Powder: 27.0 grains, WW-748
    Primer: CCI-400 small rifle, hand seated
    Brass: SSA
    COL: 2.255 inch Lee Crimp.
    Velocity average: 1,920 fps 39 fps ES

    2.0 inch group Some Pressure Signs,

    C:
    Bullet:
    150 grain Winchester RN, flat base
    Powder: 22.0 grains H-322
    Primer: CCI-400 Small Rifle hand seated
    Brass: SSA
    COL: 2.255 inch Lee Factory Crimp
    Velocity average: 1,766 fps 22 fps ES

    1.2 inch group, Some Pressure signs



    D:
    Bullet: 150 grain Winchester RN, flat base
    Powder: 22.0 grains RL-10x
    Primer: CCI-400 Small Rifle hand seated
    Brass: SSA
    COL: 2.255 inch Lee Factory Crimp
    Velocity average: 1,845 fps 30 fps ES

    2.75 inch group, Clean, Some Pressure signs,

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