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Model based on the M39 EMR battle rifle.
Knex Usp 45 --- Review ---by entenie-1995
K'NEX Mini 14by E Pluribus Unum
Knex Rifle (UPDATED)by KnexFreak360
New Knex Gunby Flatout Knex
K'nex - M14 Instructionsby Zombiekiller-93
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