Tactical Barrel: Criterion-CM 18.1″ Intermediate Gas System


Caliber             .223/5.56
Gas Block        .750



Our CLE Tactical barrel blanks available are made from 4150 Chrome Moly Vanadium Steel(Criterion only). Criterion Barrels are button rifled blanks that are hand lapped after rifling. We then take their blank and machine it to give you the best barrel possible.

Our Tactical barrel comes standard with M4 Feed Ramps, Intermediate Gas System. You can choose the barrel type and twist rate, thread, fluting, finish type and to add a match bolt. If you have a bolt that you would like to use you are welcome to ship it to us for accurate headspace. The options available give your great accuracy for your next tactical build.

  • Manufactured by: Compass Lake Engineering

Additional information

Barrel Brand




Chamber Type




Barrel Fluting


Matched Bolt

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