Wtb 18 inch midweight 6.5 grendel barrel

[glock63]

I'm looking for a midweight 18 inch 6.5 grendel ar barrel to complete a build for my son. Shoot me a message if anyone has one laying around, or knows of a source.

 

[Lance Darkhorse]

Have a BSF carbon fiber barrel has 16 break in rounds thru it was over$650 will take$420 shipped

 

[Fishcrete]

I have a 20” with brake. Prob 100 rounds on it