0NatNoBrainsBest Answer 10 years ago Yes! https://www.instructables.com/id/Knex-semi-automatic/ https://www.instructables.com/id/K-Nex-Semi-Auto-1/ https://www.instructables.com/id/Semi-auto-K-NEX-gun/ https://www.instructables.com/id/Jonaboys-Semi-auto-Knex-RBG-gun/
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Best Answer 10 years ago
Yes!
https://www.instructables.com/id/Knex-semi-automatic/
https://www.instructables.com/id/K-Nex-Semi-Auto-1/
https://www.instructables.com/id/Semi-auto-K-NEX-gun/
https://www.instructables.com/id/Jonaboys-Semi-auto-Knex-RBG-gun/
10 years ago
Do the search.