Description
Details | Improvement:
- suitable for HDR50, HDP50 and GEN.2 versions
- Extreme fit tolerances
- increased precision
- Diameter (inner) 12.7mm
- Length 10cm
- Performance improvement with further modification
- very high longevity
- Plug and play, installation in 5 minutes
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Quality T4e Tr / Hdr50 4″ Steel Tuning Barrel Extension Only! for your collection.




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