GOG Freak Carbon Fiber XL Barrel - Ion Thread Size:14" there is still plenty of

there is still plenty of room for attaching an optic of your choice

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

The Front shroud has two more rails and a barrel that is APEX ready

Dual bearing suspended trigger

Inner Barrel Diameter:

GOG Freak Carbon Fiber XL Barrel - Ion Thread Size:14" there is still plenty ofComes 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.