With Instructables you can share what you make with the world, and tap into an ever-growing community of creative experts.
Hey guys (girls), this is my K'nex M4 Carbine. This is actually a shorter version of my M16A4. The only difference is the shorter barrel and the different ...
Join 2 million + to receive instant DIY inspiration in your inbox.
Download our apps!
© 2016 Autodesk, Inc.