[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 ...

[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 ...

Firearm barrel production combines process extremes ... Barrels have different inner diameters, as well as rifling, which causes a projectile to spin and improves its aerodynamic stability. Highly ...