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Knex Sub-Machine Gun "The SMG3"by KnexFreak360
Model K'nex Sub Machine Gun (SMG)by Spycrab
First k'nex gun(with hopper)by Spycrab
knex modded smgby knex dude 2000
knex scorpion (smg) with detachable magby KNEX GUN BIULDER
Knex Magpul FMG-9 (Foldable Machine Gun)by verypoopy
Knex HFC M11 sub-machine-gunby blobbobdude
The Knex Thompson Sub Machine Gun (SMG)by TheEliminatorX
Knex MG36by the vengeful aug
knex m18d rbg semi assault rifleby JDproductions
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