It's interesting to me that the slide can also be disassembled. The small button on the lower end of the spring can be depressed, and the bottom plate of the magazine slid out.
This also shows the replacement magazine pusher which I fabricated: the old sheet metal pusher was broken.
Canon PowerShot G12, f/3.2 @ 10.78 mm, 1/60, ISO 640, No Flash
© Alan Lapp and Zina Deretsky