When performing initial firearms maintenance on a new revolver or semi-automatic pistol, use Tetra® Gun Grease and Tetra® Gun Lubricant oil to pretreat metal surfaces. Since the firearm has never been used and the metal parts and the bore haven’t been affected by use, it can be cleaned and lu …

Tetra® Gun Prosmith™ and ValuPro™ III Cleaning Rods all use the industry standard 8-32 threading for most barrels, from .22 cal. to .50 cal.; a 5-40 threading for .17 cal. and .204 cal.; and a 5/16-27 size for shotguns, including 12, 20, 28 and 410 gauge. Firearm enthusiast …

When cleaning a bolt action rifle, use the Tetra® Gun ProSmith™ Universal Bore Guide to help guide the cleaning rod and attachment straight down the bore, whether using a brush, mop or jag. By doing so, you will prevent the rod from bowing, which will protect the bore from unnecessary …