product code:522
The LayLax Prometheus metal piston head is desigend for improved intake and exhausting of air in the cylinder.  Being constructed out of lightweight aluminumm, its more robust and is designed to take on extra stresses. 
 
Compatibility: 
- Standard Tokyo Marui compatible cylinders 
- Standard TM Spec compatible cylinders 
- LayLax Prometheus Cylinders 
 
Includes: 
- Piston Head Metal  x1 

