ALEXANDRIA, Va., June 12 -- United States Patent no. 12,298,097, issued on May 13.
"Dry fire practice training device with bolt carrier group for rifles" was invented by Stanley Hahn Seigler (Kamiah, Idaho).
According to the abstract* released by the U.S. Patent & Trademark Office: "When a semiautomatic rifle is live fired, it is ready to be fired again. The shooter's hands remain in the firing position, and just to the trigger finger and trigger are employed. But with dry fire practice, the shooter must cycle the rifles bolt to reset the firing pin. The shooter must move one hand from the shooting position on the rifle, the rifles along bolt is pulled back to reset the firing pin, the rifle is repositioned, a new site picture is acquired...