We're talking gun fight accuracy, Hal; not who's gunna buy the beer tonight! BTW, they use those black pasters for a trigger control, sight alignment and sight picture exercise entitled, "one ragged hole", shot from 7 yds. LOL Rod
Our Flag does not fly because the wind blows against it,
It proudly waves because a soldier's dying breath blows upon it.
USAF Forward Air Controller, 5th Spl Forces,
An Loc, lll Corps, RVN, 69-70, Vietnam Vet '69-'73