I have a 20" T1X that I got as a "trainer" for the T3's I have. I sure like mine.

It shoots VERY well with CCI SV and SK Hi Vel Match. The CCI Segmented Subsonic HP is lethal on prairie dogs and almost Hollywood quiet. Area419 rail, lighter trigger spring, and enlarged bolt handle is about all I have done to it. I would prefer the 16" but the 20" was all that was available.