We are Carbon fiber wrapping for Bartlein Barrels. If you wish to purchase a Carbon Fiber wrapped barrel please contact Bartlein @ 262-677-1717. We are offering Carbon Fiber barrels for our builds. Contact us if you are looking for Carbon fiber barrels not offered by Bartlein IE: Ruger Precision Rifle pre-fit, Savage pre-fit and AR10/15. finish from Matte to high gloss and colored pigment and be added at additional cost.