Thursday, May 26, 2011

Dboy M203 M4 (BI-3181) Tutorial

We are responding to your guys' requests for better instructions on assembling the BI-3181!

In these videos we go over such things as:
  • grenade launcher attachment
  • battery installations - inside the grenade launcher and hand guard
  • crane stock changes
  • foregrip installations

Part 1:

Part 2:

As always, check out our Youtube channel for up-to-date videos:

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