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https://www.instructables.com/My-First-Very-Own-Knex-Gun-the-Tr8-Rifle-PS-I-Need/
Knex Concept Design:The HammerShot - Instructables
Knex Concept Design:The HammerShot: I wanted to ask anyone to try to make this into a knex gun with the hammer action and break action.
concept designknexinstructables