Everything is the same except for the spring. The springs in the metal frames are longer. You can stretch the spring from your old frame in a pinch.
looks like I should have 4 xmags up and running soon, just have to print the battery packs now.
sadly I had to back out of the
I will be getting one of these when the money's in... but could you do the "AO Army" and the "automags.org" text and leave out the