knex gun/ knife

i found this idea on an army of two 40th day gun idea site. I think that it would make the ultament   weapon for knex wars. i would like to build this but i could use some help with the brass knuckles part and the knife. please help me with this awesome gun.

knex man123456

ps. how do you change your name.

Picture of knex gun/ knife
DJ Radio7 years ago
SNORE.
knex man123456 (author)  DJ Radio7 years ago
? its awsome in real life it would be
melee weapons are, as a rule, banned from knex wars, if you get close you can just barrel tap.
... OK but it still looks cool doesn't it. would you like to help me build it. And you don't have to stab them do you?