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this are my new knex semi-autos (littlebit based on the kls v2.0) they are true semi auto with non removeable mags
truely semi automatic knex gunby gtbike bmx
Knex Semi Auto Pistol with Removable Magby Killer~SafeCracker
knex semi-auto, blowback, shell ejecting, pistolby voor jorn
K'nex Semi-Auto Belt-Fed Rifleby knexguy237
K'nex Pseudo Semi Auto Pistol V2by ~KnexBuild~
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