King Arms sent in news early today about the new Mid-Capacity Magazines designed for the King Arms VSS Vintorez and AS Val AEGs. Now a revelation here is that it looks like they have a King Arms SR-3M AEG in the works too. You can select between the 120-round midcap or the 90-round version.
King Arms Mid-Cap short for VSS/AS VAL/SR-3M (KA-MAG-70)