Itís not clearly stated in 50ft rules but If shooting from a bench trigger should be ok for measurement, if standing feet should be behind the measured line.
Thank you, I measure from the trigger.
I'm too old and unsteady to shoot standing and unsupported. I do shoot 2 ways.....
1. Seated with a front tripod support
2. Seated behind a sturdy table with the rifle having front and rear supports. I assume this is called "bench shooting".
What is "off hand"?