Amazon S3 on MSN

Easiest Semi-Auto Rubber Band Gun You Can Build

The science pros at The King of Random reveal how to build the easiest semi-auto rubber band gun. Social Security, Medicare ...
Matthew's Tools on MSN

Machining The 007 James Bond Pen Gun

The piston in the tube can be pulled up using a power lever that compresses a relatively strong spring. The ammo is a 2mm ...