- Color: Black
- Material: CNC Steel Outer Barrel/Copper 6.03 Inner Barrel/Aluminum Compensator
- Made by Precision CNC Process & Electroplating Finishing
- Steel Outer Barrel
- 6.03mm x 128mm Copper Precision Inner Barrel
- Barrel Recoil Spring & Polymer Washer
- Aluminum Compensator
- Allen Wrench (For Installing Compensator to Barrel)
- For Umarex HK45 GBB (Pistol is not included w/ the Set)
- 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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