Tech tip: Recommended to upgrade cylinder head in addition to piston head.
Features:
- Increases Air Seal and FPS
| Part Number | None |
| Material | Aluminum |
| Color | Silver/Black |
| Manufacturer | Lonex/ASG Ultimate Series |
| Compatibility | M4/M16 V2 Gearbox |
DISCLAIMER: Please use discretion when installing custom parts as fit and compatibility may vary. Some modification may be required. Professional installation recommended.