SPEED Airsoft new Externally Tune-able HPA M4 Triggers will bring out the beast in the Polarstar, Pro-Tech, and Wolverine HPA conversion systems.
A perfect trigger for your Polarstar, Protech, or Wolverine system! Tune the semi auto response on your gun to the max with this high quality trigger!
| Colour | Silver, Red, Green, Gold, Purple, Pink, Grey |
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