The Best of K'NEX Bullpups (Mechanisms and All)



The Bullpup mechanism (which is defined as: "Bullpups are firearm configurations in which both the action and magazine are located behind the trigger...") (mech) is relatively new to K'NEX guns on instructables. I have (and always will be) a fan of Bullpup firearms. Anything from the TAR-21 to the P90 I enjoy. I just like how the guns feel, how they work, what they look like. So, seeing how I look the type of firearm so much, I decided to make a guide to show you the best (in my opinion, of cou… Show more