The trigger is just a sear that lock the armor in that position.
And if you want to do that you gotta pull the trigger.
The gunmakers testimony ended soon afterwards.

Alec Baldwin in ‘Rust’Mega
Before Piettas testimony, todays court session mainly centered on law enforcements role in the aftermath of theRustshooting.
The individual claimed to have proof of where the live rounds that killed Hutchins came from.
The elder Reed is a legendary movie gunman, renowned for his work on Westerns in particular.

Alessandro PiettaRamsay de Give-Pool/Getty Images
He was in Judge Sommers courtroom for almost every day of his daughters trial this spring.
What she says may be a whole other kettle of fish.
In interviews before Baldwins trial began, Gutierrez-Reed invoked her Fifth Amendment rights under questioning from prosecutors.
Her lawyer Jason Bowles says she intends to do the same tomorrow.