![PRI MK 12 Mod H 16" 223/5.56 Upper w/ 1-7 twist, FDE PRI MK 12 Mod H 16" 223/5.56 Upper w/ 1-7 twist, FDE](https://cdn11.bigcommerce.com/s-xock0/images/stencil/300x300/products/3979/12060/pri-mk-12-mod-h-16-223556-upper-w-1-7-twist__04346__10588.1682093252.jpg?c=2)
Douglas 5.56MM Barrel 16" - 1-7 Twist (05-556-16D)
16.5" Douglas Barrels are constructed of 416 stainless steel with a 1/7 twist. Barrel has a 1/2 x 28 threaded end for brake or comp. install. Barrel is profiled for the Mark 12 Mod H and will accept the AE brake and collar. The gas block is .750 Diameter.
The barrel is top quality with M.O.A Accuracy