The 
LCT AK47 Gas Chamber (PK-27)
 is an airsoft replica part made of CNC steel for enhanced realism and is compatible with LCT's LCK47 New Version AEGs. 
 
Product Details
Material: The gas chamber is made from CNC Steel, which adds weight and provides a more realistic feel compared to the stock parts.
Compatibility: It is specifically designed to fit the LCT LCK47 New Version only.
Function: It is a replacement or upgrade part for the external gas chamber component of the airsoft replica.