Features:
- Complete hop up unit
- 70 degree silicon gel bucking included
| Part Number | GB-01-06 |
| Material | Steel |
| Color | Black, Rubber |
| Manufacturer | Guarder |
| Compatibility |
1st Gen KWA/KSC M4A1 GBBR 2nd Gen GBBR requires Guarder Inner Barrels (TN-21/22/23/24) |
DISCLAIMER: Please use discretion when installing custom parts as fit and compatibility may vary. Some modification may be required. Professional installation recommended.