Finally shot mine the other day out to 900 yards with the Hornady 105gr Match BTHP's. Didn't have much time to mess around with finding the best load, but was able to make hits on steel fairly consistently out to 900yds. Most of the problems were because of swirling winds, but i'm going to...
Faintly remember reading about somebody having that issue. You just need to figure where it's hanging up and file or dremel a little clearance so it fits correctly.
I put a Timney trigger in mine it dropped right in with no fitting required.
Folding mechanism is still in the works, or so that's what Todd told me about a month ago. Supposed to be able to be installed by the user, we'll see.
Got my Rock Solid stock in last week, hoping to try it out this week.
ZT 0561 for me.
Awesome knife. Best thing is the pocket clip allows the knife to sit deep in the pocket, plus it's not that heavy for how large it is. I also have a ZT 0300 and can't EDC it because of the weight and pocket clip design.