[LibertyRocks]

Thanks for the explanation and details! I really appreciate it. I remember my Dad’s having that spring in the bottom like you mentioned.

[Myrddin]

An M1A magazine. An example spring is shown. Note the "lips" and "follower" visible at the top.

The M1 Garand "clip". Notice the absence of a spring or follower.

A stripper clip

A stripper clip in use to load a fixed magazine of an SKS rifle.