Combat Artisan Tactical (C.A.T.) replicas from Arcturus Tactical and Spark Airsoft97 (The C.A.T series i.e. replicas from Arcturus Tactical and Spark Airsoft97 with a two-piece gearbox) are, in theory, AR system replicas fed from STANAG magazines. When presenting their replica for the first time, the manufacturer announced the possibility of using magazines from other platforms. Adapters for using other magazines are already available in some Asian stores, for both in the PCC (unfortunately using dedicated magazines) and the AK magazines.
The adapters are priced at ￥4,290 (around 30 USD) for the AK version and ￥3,960 (around 27,50 USD) for the PCC or AR version. Dedicated magazines for the PCC adapter cost ￥2,580 (around 18 USD) for the long version and 2,530￥ (around 17,50 USD) for the short version.