Knex CSAP

Hello instructables, and I have yet another Knex pistol but the complete opposite. A compact slide action pistol. I have seen one other person do this and his did not work so I'm saying this is the very first working compact slide action pistol with a mag in the handle like a real pistol. It's not the best looking, the farthest shooting, or the most reliable, but it's something different and new. I've seen many people say
It's impossible but guess what.....it's not.

Pros
Working slide action
Removable 5 round mag
Looks ok
New
For the most part reliable

Cons
20 foot range
When more than 5 rounds are put in the mag,
The slide pops off
The slide is held on by rubber bands

It's pretty easy to build based on the pics. I'll post a vid soon just so you can see how it works.

Link-http://youtu.be/jaJFmOj9_DY