Results 1 to 5 of 5

Thread: 22-250 Ackley Improved ?

  1. #1

    22-250 Ackley Improved ?

    I have a 22-250 rifle with a standard chamber and a worn out throat.

    I am proposing to cut the breech end of the barrel and rechamber it in either standard 22-250 Rem or 22-250 Ackley Improved.

    Can anyone advise about the Ackley version?

    Is the Ackley version noticeably more accurate than the standard version?

    I would prefer to use Barnes 53gr TSX and Nosler 60gr Partition bullets. The barrel has a 1 : 14" twist and will stabilise these bullet types.

    Thanks in advance.

  2. #2
    I have owned the 22-250 AI and can say but one thing about it: Not worth the effort.

    It is no more accurate than the chambering you now have and will give you a negligible increase in velocity.

    The AI case has a 9.4% in case capacity over the standard 22-250. This will, at best, offer a 2.3% increase in velocity but that is no guarantee. My AI flattened primers with standard 22-250 loads.

    A question about your current rifle? How many rounds through it? I'm assuming you've adjusted seating depth, etc? If the throat is really shot, setting it back a turn will do wonders. I've done it many times myself.~Muir

  3. #3
    Distinguished Member Ronin's Avatar
    Join Date
    Oct 2014
    Lancs / Cumbria Border
    Ive run a 22-250 AI for seven or eight years, with a 8 twist barrel, its my primary foxing rifle using 75g A-Max.

    I have shot in the order of 3000+ rounds through mine and there is no real throat erosion but some firecracking beyond the throat area (I have a borescope)

    It (mine) is extremely accurate from when it was made and has remained so.

    I built mine to fire heavy for calibre bullets not for speed.

    I am running mine in the region of 3000 fps with the A-Max.

    Personaly I would question wether its worth paying a gunsmith to set back your barrel and re-chamber with the AI version.

    Primary reason is cost - you will be paying at least 250 plus proof for this as it incurs almost as much work as re fitting a new barrel.

    Un less you can do it yourself of course.

    Secondly - if the throat is so worn, then I would hazzard a guess that the rifling for several inches beyond the throat will be firecracked and worn.

    Why pay decent money on a old and potentially worn out barrel, get a new one fitted.

  4. #4
    Ive shot a 22.250 ackley for about 6 years.It has a 26 inch 1-14 hart barrel it shoots 52grain a max at 3950fps with 42.5grains of h380 and groups in the .2s all in all a good round. If you don`t want to fireform cases try a .220 swift.
    cheers sean

  5. #5
    But here's what I'm saying. From a standard 22-250 I used to get 3800 fps with a 52 grain Sierra using IMR 4895 from a 24 inch barrel. The Ackley gave me no advantage,~Muir.

Similar Threads

  1. 22-250
    By tartinjock in forum Ammunition, Reloading & Ballistics
    Replies: 22
    Last Post: 07-07-2010, 19:39
  2. Taken the plunge - 7mm-08 Ackley Improved
    By arthursc in forum Rifles & Calibres
    Replies: 1
    Last Post: 21-12-2009, 07:14
  3. must go 22/250
    By john clem in forum Deer Stalking Equipment
    Replies: 0
    Last Post: 28-07-2009, 19:41
  4. .22/250
    By shootingduckdog in forum Deer Stalking General
    Replies: 2
    Last Post: 13-01-2009, 13:38
  5. 30-06 Ackley improved
    By swede in forum Rifles & Calibres
    Replies: 6
    Last Post: 20-07-2008, 16:12

Posting Permissions

  • You may not post new threads
  • You may not post replies
  • You may not post attachments
  • You may not edit your posts