Zipper’s detailed on the US PS Blog free DLC for PS Plus and SOCOM Pro users for SOCOM 4.
Previously available as pre-order incentives, the map Abandoned and a handful of shotguns will be available to PS Plus members for free for a month.
Once available for Plus subs for a month, it’ll then be offered to SOCOM Pro users.
Zipper also announced new DLC was on the way with the SOCOM Pro Assault Pack, It’ll come with three new maps – Red Line, Double Cross and Driftwood – as well as M16 and AK-47 weapons.
There’s more details here.