Last day it will be honored. These are Wilson barrels. Mine is easily under .75" @ 100 with factory ammo. Getting .50 with handloads.
http://palmettostatearmory.com/psa-18-223-wylde-1-7-13-5-keymod-dmr-a2-rifle.html
http://palmettostatearmory.com/psa-18-223-wylde-1-7-13-5-keymod-dmr-a2-rifle.html