this device was made from a staple gun. Oh, it also fires shotgun shells with the help of four rifled barrels. This device that shoots lead, steel, and glue started off its life as an ordinary ...

The UNISIG R-4-2-2 fully automated barrel cell is engineered and automated for continuous and synchronous production, capable of gun-drilling four barrels at once, while two gun-drilled barrels are ...

The secret to this gun’s ability is the barrel, which can be printed in nylon for .22 cartridges, or in ABS plus a barrel liner for .22 and .357 caliber. A barrel liner is one way to repair a ...