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This hardened steel pins are made by precision CNC machines. The pins have extreme precise dimension and smooth surface finishing to reduce friction in the gear box. Strengthen steel also increase durability and reliability of the service.
This polymer buffer is made by CNC process for M4 (T.Marui) GBB/MWS. It strengthens construction with higher elasticity than original plastic buffer, therefore, this polymer buffer can carry the charging handle more securely with higher durability.
This item is made by precision CNC process with hardened steel structure. While it provides reliable shooting performance, it has outstanding durability and reliability.