5KU Hammer and Sear for WA M4 GBB (Parity Version)


  • Model: AS4408
  • Manufactured by: 5KU


  • 5KU WA M4 GBB Rifle Parts Series.
  • Steel construction.
  • Steel made Hammer and Sear.
  • For smoothness, speed and durability.
  • Suitable for Western Arms M4/M16 series airsoft GBB rifle.
  • As always, upgrading Airsoft Gun require necessary skill & technique to dissemble the gun, consult expertise if needed.


  • 5KU model no. - GB-134
  • Color - Black
  • Weight - 36g
  • Material - Steel
  • Add to Cart:

    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.