BEST AR15 varmint barrel and twist

Iowaredneck

February 14, 2009 15:58

Any knowledgable AR gunsmiths out there? If one wants to build a bull barrel varmint upper what brand of barrel and what twist would be best? Mostly want to shot 50 grainers. On one of my past projects I had a 24" HBAR (not bull) from model 1 sales that was 1/9 and would shoot 3/4 100 yard groups all day long. Would 1/12 be a better choice for the light bullets? A lot of places are making barrels but who makes the best barrels for the money?

Thanks

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  Wehrmacht_45

  February 14, 2009 16:06

  A 1 in 12 would be best for 50-55 grain. Model 1 sells one in either 1 in 12 or 1 in 14, both of which would work well in your gun.
  
  However, if you are shooting longer range, the 1 in 9 might not be bad as you can shoot heavier bullets that will keep more energy at range.

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  nononsense

  February 14, 2009 19:03

  Iowaredneck,
  
  John Krieger makes the top-of-the-line AR barrels and they're cut rifled so they're a little tougher or slightly harder than the button barrels.
  
  http://www.kriegerbarrels.com/DCM__AR_15-c1246-wp3394.htm
  
  While the 1:12" twist will work with the 50 grain bullets, I prefer the 1:9" so I can shoot some of the longer (heavier) bullets.
  
  Best.

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