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Thread: 6-284 vs 6mm Rem AI

  1. #1
    Paid Member 243LPR's Avatar
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    6-284 vs 6mm Rem AI

    How do these 2 compare as far as case capacity/efficiency?
    "An armed society is a polite society"
    "...shall not be infringed" What's the confusion?

  2. #2
    nsaqam
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    Re: 6-284 vs 6mm Rem AI

    The 6-284 has a bigger boiler room and is a true SA cartridge whereas the 6 Rem AI is an intermediate length cartridge not particularly well suited to the confines of a SA mag box.

  3. #3
    Paid Member 243LPR's Avatar
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    Re: 6-284 vs 6mm Rem AI

    I'm picking up a long action and am torn between these 2 for a build.I already have brass and dies for a 6mm Rem.,and I won't have to do any case forming.
    "An armed society is a polite society"
    "...shall not be infringed" What's the confusion?

  4. #4
    Paid Member calib's Avatar
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    Re: 6-284 vs 6mm Rem AI

    if you already have the stuff to do a 6mm ai them do one of those i have seen some good things from thos with other people.

    i am going from a 243ai to the 6-284 i should be getting my barrel in a week to 3 weeks. cant wait to get it loaded up and shooting.

  5. #5
    Registered User Blue Avenger's Avatar
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    Re: 6-284 vs 6mm Rem AI

    I like both my 6 rem ( 1"@200 from a 17" barrel ) and 6 rem AI. Also my 6br. I got these after hearing the 6-285 has a shorter life and can be finicky to get small groups.
    I have a 243 & .243AI also, but not done much with then. Thinking 6mm-06 down the road.
    .223 Rem AI, .22-250 AI, .220 Swift AI .243 Win AI, .6mm Rem AI, .257 Rob AI, .25-06 AI, 6.5x300wsm .30-06 AI, .270 STW, 7mm STW, .416 Taylor

  6. #6
    Paid Member 243LPR's Avatar
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    Re: 6-284 vs 6mm Rem AI

    What's the best brass for 6mm Rem. Ackley? Probably not made by Nosler or Lapua are they?
    "An armed society is a polite society"
    "...shall not be infringed" What's the confusion?

  7. #7
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    Re: 6-284 vs 6mm Rem AI

    I have no experience with the 6mmAI but I agree with Blue that the 6-284 can be finicky. I used mine for F-class and it shot good on certain days and not so good on others. I only got 800rnds down my 6-284 before the throat was gone.
    I believe the longer 6mm neck would help with the throat erosion but it is just a theory based on my random thoughts! :D

    Steve
    LOVIN LIFE!

  8. #8
    Paid Member 243LPR's Avatar
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    Re: 6-284 vs 6mm Rem AI

    No recommendations on brass? :-\
    "An armed society is a polite society"
    "...shall not be infringed" What's the confusion?

  9. #9
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    Re: 6-284 vs 6mm Rem AI

    If you're already working on a long action, why not go with a 6mm-06?

  10. #10
    Paid Member 243LPR's Avatar
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    Re: 6-284 vs 6mm Rem AI

    Don't feel like turning necks and don't need the small velocity gain.
    "An armed society is a polite society"
    "...shall not be infringed" What's the confusion?

  11. #11
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    Re: 6-284 vs 6mm Rem AI

    Well if you do a -284 you're coming down from .264, (presumably) which is .007" more than if you use .25-06 brass... Just food for thought...

  12. #12
    Paid Member 243LPR's Avatar
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    Re: 6-284 vs 6mm Rem AI

    I'm leaning towards the AI more all the time.Now if I can just find a good barrel w/o having to wait 6 mos.
    "An armed society is a polite society"
    "...shall not be infringed" What's the confusion?

  13. #13
    Registered User Blue Avenger's Avatar
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    Re: 6-284 vs 6mm Rem AI

    Quote Originally Posted by 243LRP
    I'm leaning towards the AI more all the time.Now if I can just find a good barrel w/o having to wait 6 mos.
    6BR can be punched out
    .223 Rem AI, .22-250 AI, .220 Swift AI .243 Win AI, .6mm Rem AI, .257 Rob AI, .25-06 AI, 6.5x300wsm .30-06 AI, .270 STW, 7mm STW, .416 Taylor

  14. #14
    Paid Member calib's Avatar
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    Re: 6-284 vs 6mm Rem AI

    you may be able to find one if you dont mind a varmint contour at the savage-barrels.com they are a sponsor and if they have one in stock it will only take a week

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    Re: 6-284 vs 6mm Rem AI

    I love my 6mm AI. Use 6mm rem brass. Fire formed while doing load developement then annealed. Cases have never needed trimming as they will shorten upon fire-forming. 40* nk means almost "O" case stretch & very little bolt thrust. Mine is a twelve twst "critter gitter" shooting 70 & 75 grain bullets. About 1200 rounds through it to-date. Minimal throat erosion & expect at least another 1200 rounds based on present wear. Started w/ Redding dies & got lousy concentricity w/ neck sizer 'til I bought a Lee collet. Which got me to shooting bug holes. RL-19 also woke this cartridge UP! Obviously the choice is yours. But if I had a "do over" I'd stick w/ the 6mm AI. Good luck with your decision :)

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