That's all I know.
On a slightly different note....
This is just my personal opinion in that the United States Practical Shooting Association should get back to more of its practical roots.
The stage Rob got DQ'ed on had large plastic drain pipes as ports you had to shoot through. The pipes pivoted left and right.
From the scuttlebutt i read, Rob got his pistol hung inside one of those pipes.
practical[ prak-ti-kuh l ]
adjective
1. of or pertaining to practice or action: practical mathematics.
2. consisting of, involving, or resulting from practice or action: a practical application of a rule.
3. of, pertaining to, or concerned with ordinary activities, business, or work: practical affairs.