Three new styles of the LCK Forward Optical Rail System from LCT Airsoft. The PK-228 is made for the LCK74 series; the PK-229 for the TX-5 and AMD-65; and the PK-357 for the LCKS74UN series. They also got PK-349 and the ZRK-3S slim pistol grips. Owners of these LCT AEGs can check with their retailers if they already have these in stock.