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Thread: suggest a bbl length and profile for a 338 edge

  1. #1
    Join Date
    Dec 2017
    Posts
    176

    suggest a bbl length and profile for a 338 edge

    I am building a 2000 yd target rifle in 338 edge.
    Group and score from a bench.
    Looking to a wheeler accuracy stock
    Bat m or Kelbly golden bear action
    Would like some suggestions on bbl profile and length....28 or 30 or ??
    Not settled on a bbl maker but do like krieger and broughton.
    10 twist works with 300 gr bergers
    No real weight limit( under 40 lbs!).
    Recommend a great brake ?
    Help

  2. #2
    Join Date
    Mar 2013
    Location
    Nelson New Zealand
    Posts
    55
    Quote Originally Posted by retired View Post
    I am building a 2000 yd target rifle in 338 edge.
    Group and score from a bench.
    Looking to a wheeler accuracy stock
    Bat m or Kelbly golden bear action
    Would like some suggestions on bbl profile and length....28 or 30 or ??
    Not settled on a bbl maker but do like krieger and broughton.
    10 twist works with 300 gr bergers
    No real weight limit( under 40 lbs!).
    Recommend a great brake ?
    Help
    Not sure how heavy you want to build it my hunting ones are generally 8.5/9lbs plus ready to go, at least a .820 muzzle & 3/4 muzzle thread is an advantage.
    Too large muzzle diameter/heavy barrel puts quite a strain on the action.
    More velocity with a 30" barrel & Retumbo, N570, RL33.
    Make sure you run a faster twist that 10 if you want to run 300s at 2k+
    There are heavier than 300s on the horizon as well as monolithic's so a 9 twist or possibly faster would be an advantage
    Terminator muzzle brakes are worth a look at, 18 models, 13 different threads in some of those.
    Its a great cartridge been running them on & off for nearly ten years.

  3. #3
    Join Date
    Dec 2017
    Posts
    55
    I have built them on 28 and 30 light palma contour with 9.3 twist. Worked great for 300smks. Save your money and get a 4 port rossbrake. Work just as good as any others (see YouTube). H1000 was always the most consistent year round, but r33 was faster and pretty accurate.
    Last edited by Mram10; 08-31-2018 at 12:37 AM.

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