Faxon barrels - Faxon Firearms 18in Medium Taper

Ive used faxon barrel ( 6 barrels total ) havent had a problen . I had bolt issues that wouldnt eject right . Toolcraft and one from right to bear brand. But the barrels shot great. One 223 wylde 18 inches and 4 350 legends 16 in and 20 inches and 6.5 grendel .and ive used there bolts to and had no issues. I used in all my builds the aero upper receivers except for two i used bravo upper receiver. And most my builds i use psa magpul complete lowers ,but i change out the triggers to rise armorment triggers.