Ssg 280 ai

Discussion in 'Gun Photos' started by Hornhunter32, Mar 4, 2014.

  1. Hornhunter32

    Hornhunter32 Well-Known Member

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    I just picked up my new 280 AI from Nate a few weeks ago. I've only shot 8 rounds to break in the barrel. Hopefully, it warms up soon so I can get some brass fire formed and some loads worked up.

    Buid Specs:
    Rem LA Trued
    PTG bolt
    Brux #4 9 twist @ 26 inches
    Holland lug pinned
    HS Stock
    HS bottom metal
    Shilen trigger
    Talley Rings
    Leupold VX3 4.5-14x50 w/ M1 turrets
     

    Attached Files:

  2. barnesuser28

    barnesuser28 Well-Known Member

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    Very nice, Nate does amazing work, i have two guns from him myself. Let us know what you decide on for a load.
     
    Last edited: Mar 4, 2014
  3. BCMAG2

    BCMAG2 Well-Known Member

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    I just had a very similar spec'd 280 AI built, with almost the exact same scope too. Mine has a 26" straight fluted Bartlein barrel and even though its a lite hunting rifle, its shooting 1/4" groups at 100 yards with the 168 gr LRABs over 59 gr of H4831. Can't wait to get it out for some long range validation as soon as this snow melts off.
     
  4. Hornhunter32

    Hornhunter32 Well-Known Member

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    What kind of speed are you getting? I plan on starting with H4831 and 162 Amaxes for deer and 168 Bergers for my Wyoming elk hunt next Oct.
     
  5. Hornhunter32

    Hornhunter32 Well-Known Member

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    Yes, Nate does a good job and he's a great guy. He built me a 300 Jazz last year and is working on a 6x47 Lapua now.
     
  6. barnesuser28

    barnesuser28 Well-Known Member

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    He built me a 284 win and i have it shooting the 162 amaxs at .3 MOA at 2860 fps.
     
  7. BCMAG2

    BCMAG2 Well-Known Member

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    My chrony says 2950....I'm anxious to get it out at do some long range validation tests ASAP.
     
  8. Swgreen

    Swgreen Well-Known Member

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    Very nice
     
  9. BCMAG2

    BCMAG2 Well-Known Member

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    Hornhunter 32....here's that validation test I promised you


    [ame="https://www.youtube.com/watch?v=GslFYUz5YSw"]lightweight 280 Ackley @ 1,155 yards - YouTube[/ame]
     
  10. Hornhunter32

    Hornhunter32 Well-Known Member

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    Nice shooting!
    I worked up some loads last weekend and I starting seeing pressure signs at 3K(61.5 gr. H4831, 168 Berger touching the lands, Fed 215, Rem case). 60 gr was right at 2975 with no pressure signs and ES of 7. I'm going to play with the seating depth and see if I can get it shoot a little better.

    The rifle is shooting really good with both Amaxes and Bergers. I loaded up 21 rounds which consisted of 7 different loads and put all of them in a 1.4 inch group at 100 yards. More to follow.
     
  11. BCMAG2

    BCMAG2 Well-Known Member

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    I'm loading 59 gr of H4831sc under a 168 gr LRAB, seating 50k off the lands, shooting through a 26" Bartlein and getting 2950 fps. Shooting well under half an inch at 100 yards.Three loads on the Nosler brass and they are holding up well. Saw no need to load any hotter.
     
  12. Hornhunter32

    Hornhunter32 Well-Known Member

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    Yeah, 59-60 grains is where I seen low ES. What primer are you using?
     
  13. BCMAG2

    BCMAG2 Well-Known Member

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    CCI large rifle. Some of my friends like the magnum primer even in non magnum rounds, but again, with results like I'm getting now, I don't see a reason to change...and I've got a brick of these CCIs to use up.