CYMA has three underfolding AK models

The O28S




the 028A tactical



The replicas provide
-- 280 fps
-- adjustable TM-compatible hop up
-- hicap mags

and the 028B Tactical



-- 280fps with 0.2g BB
-- adjustable TM-compatible Hop up
-- hicap mag

Latest AK variant from CYMA listed at gunners although it could just be the old 028S fitted with tactical grip and handguards. the 028A not listed at gunners as of 01 jun 2007.

source: Gunner Airsoft