Sourced from and made in he United States of America, these barrels are made with 4150 Chrome Moly Steel and come finished in a Black Nitrate/Melonite finish.  All are threaded to 5/8 x 24 thread, come cut with integrated feed ramp and spun in 1:16 Twist

Barrels shoot great and are the perfect add to any build, will fit all BL9, and most AR9 style Glock and Colt mag accepting rifles.