6.01mm Hybrid Precision Inner Barrel 363 mm
SKU MDYHP-03-00299-5

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  • For M4A1 New & Old Types/R.I.S./SR16, XMXM177E2, SIG551
  • Material: 1st Class Stainless Steel + Aircraft Aluminum Alloy
  • Extremely Straight with High Rigidity and Accuracy Guided by an O-Ring to reduce barrel vibration

Options:407mm363mm