A repo sight mic saved my bacon at the CMP games in Oklahoma. At home I used it to zero. When I uncased my rifle on the line, somehow the sight had slipped down. It was a relief to slap on my mic and get back on zero. Shot 270 out of 300 for a bronze medal.
Phillip McGregor (OFC)
"I am neither a fire arms nor a ballistics expert, but I was a combat infantry officer in the Great War, and I absolutely know that the bullet from an infantry rifle has to be able to shoot through things." General Douglas MacArthur