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this is my first gun out of knex so its not great (im only 11, also knex gun builder is my brother and let me use his pieces) ...
Knex mac 10by entenie-1995
The knex Mac 10 --- Reviewby entenie-1995
My knex " double trouble"by Amstorch
Paper airplane launcher Mac 10 modby Amstorch
K'nex Blow-back Pistolby knexguy237
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