GOG Freak Carbon Fiber XL Barrel - Ion Thread Size:14" Please see the photos below

Please see the photos below

Inner Barrel Diameter:

THEY ARE NOT INCLUDED

This is a hand molded set of parts designed to take the drive system and components from any Halo B

GOG Freak Carbon Fiber XL Barrel - Ion Thread Size:14" Please see the photos belowComes with a Carbon Fiber Freak XL Barrel and 0. 689 Insert The Freak Carbon gives you all the advantages of the Freak System at a fraction of the weight. Because of the high quality carbon fiber used in its construction, the Freak Carbon can utilize full sized porting not found on other carbon fiber barrels. Full sized porting means this doesnt shoot like a carbon fiber barrel, it shoots like a FREAK.