We’ve taken a pistol barrel blank (.575” dia), threaded it into a 416 breech end, slipped a carbon fiber tube over the barrel, then tensioned the aluminum brake. By tensioning a barrel, you stiffen it up, change the harmonics and this makes for a very light weight and accurate barrel. The FWT barrel has no location pin so you can install a brake prior to putting the barrel in the receiver and then clock the barrel to your liking!!
The effective rifled barrel is 13.5” long…….pinning and cover welding the brake makes this a legal rifle barrel.
Being light, the sum balance of the rifle will be moved back near the magazine for a very agile rifle that swings well while providing a very stable shooting platform.