[Jeff Rodriguez] has been busy testing a feasible DIY method for rifling a barrel and has found some success using salt water, a power supply, wire, and 3D printed parts to create the grooves of ...

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 ...