This service is to adjust the gas port size on any AR15/AR10.
This service is only to enlarge an existing port. We cannot reduce the size of a gas port. If you feel the need to reduce the existing port, please consider a Black River Tactical EZ tune gas tube.
- Please use caution when packing your parts. Courier services aren't the most friendly, so pack it well to ensure no damage in transit.
- Ship us your parts (Instructions are on the top of the email order confirmation