Here's some links, that may be helpful to you.
http://www.txprecisionmatches.com/
Buddy of mine is going to the Navasota match this Saturday I believe.
http://www.texasprc.club/
There's also
https://www.bayourifles.org/index.php/competitions/high-power-rifle-division
Plus Golden Triangle in Lake Jackson, (Highpower Range)
There's another in Beaumont too. Highpower Range that is.
Have never been to the presision matches other than Smallbore stuff I put on for fellow Highpower Competitors and a few folks from:
https://www.facebook.com/The-Impactzone-Range-608874195818187/?rf=104384699644559