The detent and its spring do not go in from the rear of the lower receiver. They go in vertically from below, and are retained in position by the grip - just as the selector detent and spring are retained.
For some reason, NEA changed the design.
The detent and its spring do not go in from the rear of the lower receiver. They go in vertically from below, and are retained in position by the grip - just as the selector detent and spring are retained.
For some reason, NEA changed the design.
At least it works, thanks for the help, crisis averted and the lower is complete.



























