6mm Ackley Improved for Chuck

Discussion in 'Gun Photos' started by LRSickle, Apr 8, 2011.

  1. LRSickle

    LRSickle Well-Known Member

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    614
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    Jun 8, 2009
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    Just an update. I finally got my 6mm Ackley done. I tried Varget, IMR 4350, IMR 4064 and RL22 with 75gr Hornady V-Max and Sierra 75gr HPs. All of them shot good but the Sierra 75 HPs shot REALLY well!
    Here's the specs if your interested:
    I had the barrel chambered and fitted by Dean Parker in Wellsville, Utah. He's a very successful benchrest shooter. I started with a Stiller Predator V action, left port, right bolt with no ejector. The barrel is a 1-8 twist, four groove, Palma/F-class weight Bartlein.
    Dean chambered the barrel to 6mm Ackley Improved with a .271 neck which gives me a .001-.002 neck tension depending on how I turn my necks. It's a single shot so I can get away with low neck tension without worrying about bullets coming out in my magazine.
    The trigger is a Timmney set at 1.75.
    I topped it off with a Nightforce NXS 5-15x50 with MLR reticle. I highly recomend Nightforce scopes!
    When the weather clears I'll get out and see how fast I can drive the Sierras before my groups open up.


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  2. sambo3006

    sambo3006 Well-Known Member

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    1,343
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    Jul 30, 2004
    Looks like a shooter! With that 8 twist are you planning on trying any Berger or JLK 105's?