Turret. (not pictured)Keyboard isn't retro, it's a Realforce. I got it in white so it's easier to see in the dark.
Pump action with a very strange trigger mechanism. A series of pistons and ramps that goes around the back of the gun, then over the top.
12 years later and I still build the ugliest guns
TR8-2013 last updated 04/01/2014
Knex Pistol, with a NEW! firing mechanism, a Hammer
The K'nexecutioner 2.11 - "Cyclone"