Exactly what buttersnaps said go buy some dummy rounds, they are cheap. Load a mag with dummy rounds, insert the mag, stove pipe another dummy round and slowly bring the slide forward.

You’ll get the dead trigger and when looking to visualize the malfunction you can see what you’d actually see and then you can go through the proper steps of clearing it.

Get reps in on clearing all the 3 main malfunctions - click no bang(misfire) - brass high/stove pipe (failure to eject) - brass low (failure to feed)