12 Ga Tactical Cleaning Jag (PTK system) (Patent Pending) Pro-Shot Tactical Exclusive Design is a superior way to clean your Firearm Faster & Easier! Tactical Jags are for use with the Pro-Shot Tactical Pull Through Cleaning Kit System. How do they work? Drape patch (centered) over spear point and push down. Screw jag onto cleaning system and Pull Through breech to Muzzle end. Repeat until patches are clean.