Service Rifle Barrels: Douglas-SS


Length           20″
Caliber           .223/5.56
Gas Block      .750

  • 1-7 Twist
  • 1-8 Twist
  • CLE
  • Wylde
  • Both
  • Flats for A2
  • Spot for optics
  • M4
  • Standard
  • None
  • 1/2x28
  • 5/8x24
  • Polish(standard)
  • Bead Blasted
  • Cerakote C-Series(cold cure)-Black
  • None
  • Add Matched Bolt
  • Customer Supplied


Our CLE  Service Rifle Barrels are some of the best available. They have been on the range for almost 30 years with continued accuracy and top results. Our customers depend on Compass Lake Engineering to produce top notch barrels in order to exceed at the top level in CMP and NRA competition.

The Service Rifle Barrels come with 1″ under the handguard, .750 gas block diameter and 740 at the muzzle. You have the option to choose barrel and chamber type, thread, finish, and the option for a matched bolt. If you have a bolt you would like to provide you are welcome to
ship it to us for accurate head spacing.


  • Manufactured by: Compass Lake Engineering


Additional information

Barrel Type




Chamber Type


Gas Block Area

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Feed Ramps



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Matched Bolt

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