The 
LCT LCKM Retainer for Real Assembly (New Version)
, identified by part number 
PK-167
, is a specialized replacement and upgrade component for LCT airsoft rifles, designed to offer high durability and realism. 
 
Key Specifications
Material: Constructed from high-strength CNC Steel for improved durability over standard parts.
Weight: Approximately 29g to 30g.
Compatibility:
Primary fit for LCT LCKM and other LCT AK series AEG rifles.
Also listed as compatible with GHK AKM GBB (Gas Blowback) series.