Caliburn SCAR Barrel (for 5/8"-16mm barrels)

SCAR barrel for the Caliburn or other 5/8" and 16mm barrel materials. Used to introduce a stabilizing spin to the dart. String with low weight fishing line. This is a good guide for how to string it: youtube.com/watch?v=DpzjOH0UG08&t=319s

Could be a tight fit depending on tolerances. Surfaces can be sanded for fitment.

6 string design for what seems to be the best balance of twist and velocity retention. Included is an untested ported version that should help with muzzle blast if that's an