5KU Steel Bolt Stop Base for WA M4/Prime M4 GBB


  • Model: AS5399
  • Manufactured by: 5KU


  • 5KU WA M4 Upgrade Parts.
  • CNC steel construction.
  • Steel made Bolt Stop.
  • Suitable for WA M4/M16 series or Prime M4 GBB rifle.


  • 5KU model no. - GB-143
  • Color - Black
  • Weight - 34g
  • Material - Steel
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    This product was added to our catalog on Tuesday 11 December, 2012.

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