Guarder - Steel Reinforced Hop Up Kit - KWA LM4
This item is currently out of stock. It will arrive soon.
- Complete hop up unit
- 70 degree silicon gel bucking included
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.
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