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 staple gun, with the usual 23lb pull you ...

When you shoot a pellet, a small amount of lead gets deposited in the lands and grooves of the rifling in your barrel – and ...

Electrochemical machining (ECM) is well-suited for this challenging application. Barrels have different inner diameters, as well as rifling, which causes a projectile to spin and improves its ...