To build your own semi-automatic Airsoft BB gun, you’ll need 8mm pipe – barrel, sling shot tubing or strong rubber tube, cheap air compressor (small), 12v electrical tape, and BBs. Full instructions here. Short video demo after the jump. [via Instructables]

To build your own semi-automatic Airsoft BB gun, you’ll need 8mm pipe – barrel, sling shot tubing or strong rubber tube, cheap air compressor (small), 12v electrical tape, and BBs. Full instructions here. Short video demo after the jump. [via Instructables]