Rolling Stone

[barnetmill]

Actually, the Owen Gun and its successor, the F1 SMG both had top feed magazines -- like the Bren LMG. And yes, I have real life experience with them. There are two advantages to a top feed Mag; 1, gravity assist in the event of weak springs or dirty mags; 2, no mag in the way going prone.

Also the mag is not the way for prone with side mount. The problem would be with corners.

[jlwilliams]

Yes Sir the AR is your friend if you want the easy button for sure.
But why would you want a vertical magazine. A side mounted mag has a lot of things going for it. The Aussies mounted them almost on the top position on the Owens.

I did it because I could and it looked like a rare last ditch German gun. (MP3008, basically a vertical mk2 with a loop stock) The fun for me at the time was building something that I could shoot. For a few years I was deep into gun builds.