Our 6mm Criterion barrel come standard with 1-7.5 Twist, M4 Feed Ramps and gas tube. You have the option of barrel type, thread, fluting, finish type and to add a matched bolt. If you have a bolt that you would like to use you are welcome to ship it to us for accurate headspace.
The barrel blanks available are made from 416 Stainless Steel.
Criterion are button rifled and hand lapped blanks. We then take their blank and machine it to give you the best barrel possible.
- Manufactured by: Compass Lake Engineering
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