[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 ...

The UNISIG R-4-2-2 fully automated barrel cell is engineered and automated for continuous ... while two gun-drilled barrels are precision reamed and two others receive the final step of button rifling ...

A gun barrel fitted with tight twisted rifling to enhance accuracy. Renowned even amongst some Fae, it is the first choice of hunters and military sharpshooters. 1 In Nightingale, Marksman Barrel ...