Magazine will not seat

Magazine will not seat

Warning: ensure the firearm is unloaded before performing any steps in this guide.

1: Ensure a magazine release is installed properly.

1A // Inspect the magazine release to make sure that it is a) present, and b) installed properly and functioning.

2: Inspect the FCU to make sure the trigger bar is not blocking the action.

2A // The images below show the trigger bar in incorrect & proper alignments respectively: