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E&C springs set for M4 / M16 receiver, 6 pieces
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Spring set for M4/M16 Receiver from E&C, consisting of:
- Spring for HopUp Unit
- Spring for Charging Handle
- Spring for Dust Cover
- Spring for Cover Black/Bolt
- Springs for Locking Pins
- Spring for HopUp Unit
- Spring for Charging Handle
- Spring for Dust Cover
- Spring for Cover Black/Bolt
- Springs for Locking Pins

