Black Gun Guys. What barrel is this?

p3skyking

March 07, 2004 14:42

My AR15 is early, triangle forearm, no butt trap in the stock and flip sight. The barrel has no steps and has "SAK MP B" on it. I think it is a 1 in 9 or better.

Does anyone know who made the barrel and what the twist is?

Thanks,
Mike

What men call a hero...is merely a man who is seen doing what a brave man does as a matter of course.
A man who is in love with learning is a man who is never without a bride, for there is always more. L'Amour

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  nmyers

  March 07, 2004 15:39

  Don't know the twist rate, but the barrel was made by Saco Armament in Saco, Maine. They are still a prime weapons contractor for the US military.
  
  Neal

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  p3skyking

  March 07, 2004 16:00

  Thanks Neal, At least now I have a place to start. Will hit some old catalogs for the twist.
  
  Mike

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  bama55

  March 07, 2004 22:03

  I have a new M-16 replacement barrel made by Saco. It is 1 in 12 inch twist. Bought it 10-12 years ago from Numrich.
  
  
  "Don't send flowers when I die. Send money now so I can buy more guns and ammo."

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  bama55

  March 07, 2004 22:10

  Also, you can check the twist rate as follows: place a tight patch, or brush, on a cleaning rod. Run is down to the chamber, pull back until it enters the barrel (tightens up). Take a black marker (Sharpie) and dot the top of the cleaning rod at the muzzle. Slowly pull the rod out, until the dot has come back around to the top. Measure the distance between the dot and the muzzle. This will be the one turn in inches rate of twist. Measured many by this method.
  
  
  "Don't send flowers when I die. Send money now so I can buy more guns and ammo."

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  p3skyking

  March 08, 2004 03:50

  Thanks, Found out it is a 1 in 12 also. The MP means "magnetic partical tested". Never did find out what the B means.

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