G&G Hop-Up Unit for M4/M16

by G&G
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SKU G-20-005
  • G&G's standard hop-up unit for all M4/M16 models.
  • Tough plastic construction, grey in colour.
  • The unit is already pre-assembled and includes a hop nub and c-clip.
  • Suitable for all M4/M16 variants with standard hop-up units.
  • Adjustment wheels are now green.

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