5KU Steel Bolt Stop for WA M4 GBB


  • Model: AS4397
  • Manufactured by: 5KU


  • 5KU WA M4 Upgrade Parts.
  • CNC steel construction.
  • Steel made Bolt Stop.
  • Direct replacement of Western Arms M4A1 Bolt Catch (Part No.99).
  • Suitable for WA M4/M16 series GBB gun rifle.


  • 5KU model no. - GB-107
  • Color - Black
  • Weight - 18g
  • Material - Steel
  • Add to Cart:

    Current Reviews: 1

    This product was added to our catalog on Wednesday 31 August, 2011.

    Follow Us: Facebook YouTube we accept
    Disclaimer: All airsoft guns, gas blowback guns, spring guns are NOT real firearms. All airsoft guns sold to US customers are affixed with an orange tip permanently.