- Funtional Semi / Auto Sear
- Short Stroke BCG For More Gas Efficiency
- M1913 Picatinny Rail Stock Adapter For MCX / MPX - Style Folding Stock
- For Airsoft and Simulation use only
- Assembled in Hong Kong

Set Included:
- CNC 45# Grade Steel Bolt Carrier x1
- CNC 45# Grade Steel Recoil Spring Guide Rod Set x1
- CNC T6 Aluminum Adjustable Half Cock Sear x1
- CNC T6 Aluminum M1913 Picatinny Rail Stock Adapter x1


 Compatibility:

For Tokyo Marui TM M4 MWS GBB Rifle Airsoft Only