Modify

Modify Full Tune-up Kit for M4-A1/RIS/SR16 (Torque 21.6 / S120+)

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  • $124.95
  • Regular price $179.00


Full Tune-up Kit for M4-A1/RIS/SR16 (Torque 21.6 / S120 ). Included: Modular Gear Set Cyliner Piston head Stainless Bushes Cylinder head Anti-reversal Latch Tappet Rotary spring guide Piston Nozzle Spring Synthetic Lubricant with PTFE