Double feed, yes. Rollout, no
There is a thing called stock class, play it then get back to us
Trilogies have detents so it would not have a problem.
Then get a return spring doenst have to be a strong one just strong enough to keep the bolt from opening all the way while rested in an upward position to prevent a double feed. As for the accusation that I don't play pump well that is not true. Pump is the main style I play.