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6mm Ackley Improved question

 
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  #15  
Old 03-29-2006, 12:32 AM
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Re: 6mm Ackley Improved question

If your gunsmith hasn't got the reamer yet u might take a good look at the 6.5-55 brass. That's supposed to be a real good 6mm hot rod to work with. Besides that-- i've got dies and brass for a 6mm Vais (6 X 55 AI). And i'll give u a great deal on them.
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  #16  
Old 03-29-2006, 01:34 PM
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Re: 6mm Ackley Improved question

[ QUOTE ]
wildcat,
I have a 6mmAI with a hart 1-12" tube, I would never do it again with anything but a 1-8" so I could shoot hi B.C. bullets. you say that you will be using it out to 1000yds on squirrels a 1-8" is better any day of the week than a 1-12". if you want come borrow mine so you dont waste your own money.
UB
P.S. if you really want to shoot medium weight bullets you are better off with a case of less capacity.

[/ QUOTE ]

In my 243AI project with a 30 inch tube. I've had people convince me that 1 - 8 was enough and to go with 1 - 7.25

I never intend to shoot less than 87 grain. The BC is way bad with lighter bullets
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.270 Ackley improved 29 inch 1.250 dia. target barrel 7mm STW 28 inch 1.250 target barrel. I also love my .458 mag for varmints and the biggest game in the world.
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  #17  
Old 03-29-2006, 08:37 PM
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Re: 6mm Ackley Improved question

I have shot a 6MM AI with the 1-12 and 1-14 barrel. Both twists shot the bullets I want to use very well. I went with what the guys at Krieger thought was best for my cause. They informed me the 1-12 was going to be the best twist rate for the bullets I want to shoot, between 70 and 90 grain bullets, with the emphasis on using the 75grn V-MAX. I will be able to push the 75 grn V-MAX at around 3850 to 3900 fps, that's impressive anyway you look at it. The barrel I chose is of course the Krieger 28" in length, 1-12 twist, 1.250 for 5" and tappered to 1.00 at the muzzle. Thanks for the advice, but I am going to stick with what the guys at Krieger said.
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  #18  
Old 03-29-2006, 08:57 PM
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Re: 6mm Ackley Improved question

Pretty much what UNC B said with a little dif and that is not much . I would go with the 7 twist as that will be good for the 115 wts that are now available as well as what is coming down the pipe and of course the 105 / 107 wts now available

Jim B.
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  #19  
Old 03-29-2006, 09:41 PM
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Re: 6mm Ackley Improved question

Thanks for the info Jim, but I am really only going to be using the 70 to 90 grn bullets. As I said before, I will be using the 75grn V-MAX and Maybe the 87grn V-MAX. If I need to shoot over 1000 yards, I will use my 6.5x284, using Lupa 139GRN Scenars. Wildcat.
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  #20  
Old 03-29-2006, 11:23 PM
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Re: 6mm Ackley Improved question

wildcat,
I'm not trying to argue with you,just trying to help you not make the same mistake that I did. you have stated that you want it for a 800-1000yard squirrel gun so why make it a 700yard gun with a 1-12" barrel ????? with a 1-8" or faster it is a legit 1000yard plus performer and you can still shoot your low B.C. 90's if you want.
I know 3900fps sounds good with a 75gr V-max,mine shoot's 70gr BK's at 4008fps but they are not 1000yard performers.
just for an analogy this is just like going duck hunting with a .410 shotgun WHY for the exact same money you can have a 12 guage and be far more successful.
UB
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  #21  
Old 03-30-2006, 12:51 AM
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Re: 6mm Ackley Improved question

Speed does not mean anything for 1000 yards. 3000fps is high enough velocity with a bullet of a BC of .500 or better. Its far better then any low weight/low BC bullet at blistering speeds. There is always to a degree "some wind" when you shoot out to 1000 yards, with the 105g bullets and such, your wind drift is cut dramatically. Just my 2 cents.
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