- Color: Black
- Material: CNC Steel Outer Barrel/Copper 6.03 Inner Barrel/Aluminium Compensator
- Made by precision CNC process and electroplating finishing
- Steel Outer Barrel
- 6.03mm x 128mm Copper Precision Inner Barrel
- Barrel Recoil Spring & Polymer Washer
- Aluminium Compensator
- Allen Wrench (for installing the compensator to the barrel)
- Smooth Surface of Outer Barrel & Barrel Spring Ensure Reliable & Smoothness Of Recoil Action. Longer 6.03mm Inner Barrel providing Higher Precision & Longer Shooting Range
- Original HK45 short inner barrel cannot be used in this compensator set
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