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Material: Made of high strength steel
High precision CNC machined process
Hard anodized surface
Replace the original bolt carrier
Compatible with KSC M4 GBB rifle
NOT include Nozzle
Ability to attach the added weight in its rear to increase felt recoil by the addition of more mass to increase inertial forces
Dimensions (cm): 15 (L) x 4 (W) x 3 (H)
Weight (gram): 300
Package includes: Bolt x 1
This Iron Airsoft CNC M4 GBB Steel Bolt is made of high strength steel material with CNC machining process. It has hard anodized surface. It can replace the original bolt carrier and compatible with KCS M4 GBB. It has ability to attach the added weight in its rear to increase felt recoil by the addition of more mass to increase inertial forces.