Rooster Laboratories Zambini Pistol-Rifle Lubrisizer Hollow Stick Bullet Lube. Preferred by Cowboy Action Shooters and Police Pistol Combat Competitors. The 220 degree F melting point keeps the lube where it belongs. We recommend you use a heated lubrisizer for best results. This will give you a firm tough bond with the bullet. For lead-free shooting at unlimited velocities. For rifle and pistol bullets.