Elite Weapons for LEGO Fanatics: Build Working Handcuffs, Body Armor, Batons, Sunglasses, and the World's Hardest Hitting Brick Guns: Amazon.co.uk: Hüdepohl, Martin: 9781632205063: Books
Rubber band gun – Lego Glock 17 | BrickGuider.com
Review - The BrickGun Book - Jeff Boen - BrickNerd - All things LEGO and the LEGO fan community
The BrickGun Book: Building Lego Pistols -The Firearm Blog