For those aiming for a more accurate replica, using Apoxie Sculpt allows them to mold and sculpt the signature Robin R insignia. Batman/Superman: World's Finest #32 is available now from DC Comics.

The build began as an off-the-shelf Airsoft gun. After removing the barrel and cylinder, [Nathan] used Apoxie Sculpt and a whole lot of sanding to turn a stock piece of metal and plastic into ...