Remington Society

Retract your slide by about 2/3 of the way rearward. Push the lifter, it should pop up out of the way and stay there. Both latches should be extended inward, released from their recesses. Push on each latch. The latches should move smoothly without dragging. My hunch is the wing of your right latch ...

For simplicity lets agree that "right" means the side with ejection port, regardless whether it's held upside-down or not. With action closed the shell in the magazine is held by the LEFT latch. The right latch is doing nothing right now, and is retracted outboard out of the way. When you ...