Difference between the E Mag and the P Mag

[DepletedUranium]

exactly what the title says whats the difference aside the from the looks, anything significant? Thanks.

[rob_s]

Emag essentially has none of the ribs and is designed to work in guns with deeper magazine wells than the AR.

[Stickman]

The EMAG also has a window on only one side, the other side is simply flat.

[DepletedUranium]

I see, cool, thanks

[Army Chief]

I'm curious how the Revision M PMAG will stack up in some of these other (non-AR) applications against the EMAG, given that the offending ribs on the original PMAG appear to be much shallower on the newer variants. I'm sure there is still a case to be made for the EMAG for some weapon systems, but I suspect the newer PMAG may be slightly more compatible in this aspect.

Thoughts?

AC