Engineered for serious fun.
This is a factory wound rectangular compression spring compatible with ZINC, Talon, and Katana magazines. Each spring can either be used in a single extended ZINC magazine or cut in half and used in 2 compact ZINC magazines. Please contact us directly for bulk orders.
Products sold in this store are not intended for assembly or use by anyone under the age of 18. Products should only be purchased by individuals very experienced with 3D printing and who are confident they can produce accurate and strong parts. All products must be made from brightly colored plastics as to not be mistaken for a real firearm. Failure to use the proper materials or follow the instructions carefully could result in injury.
We believe engineering should be fun! Our products aim to engage makers, tinkerers, and hobbyists of all kinds.