The following came direct to us from Don who took the leap and made a preorder. His upper selection was custom made for him. We did a 10.5" barreled upper with a internal Tru-choke, and a external Saiga thread.
".... I have about 125 rounds through the [upper] and have not had any problems with it--shoots everything. Will be working on a lighter 1 1/4oz load for future competitions... left write up in Enos Forum. Love the gun."