02-12-2016, 06:02 AM
Anyone ever used or measured one of these? Never seen any other company say the threads, bore, and extension are cut on a single setup.
"Barrel nut threads, bore and barrel extension surfaces are all machined in one operation so that they are perfectly concentric and perpendicular to the barrel and fixing assembly."
http://www.lantac-usa.com/AR15-M16-M4-Ri...Upper.html
"Barrel nut threads, bore and barrel extension surfaces are all machined in one operation so that they are perfectly concentric and perpendicular to the barrel and fixing assembly."
http://www.lantac-usa.com/AR15-M16-M4-Ri...Upper.html