Bore tech's Extreme Grease HD is an ultra tacky triple based synthetic blend formulated specifically for superior firearm operation. The proprietary formulation offers a wide operational temperature range of -85 to +700 degree F and eliminates the "gumming" and "running" typically found with the competitors' brands. All grease is not created equal. Get a grease that will keep you protected in all extreme conditions. Bore tech's Extreme Grease HD is an ultra tacky triple based synthetic blend formulated specifically for superior firearm operation. The high performance extreme pressure additives, enhanced rust inhibitors, and nano-ceramic temperature lubricants provide a wide operational temperature range of -85 to +700 degree F and eliminate the "gumming" and "running" found our competitors' brands the proprietary formulation has a much lower coefficient of friction than molydisulfide, flouropolymers, lithium and graphite based greases and penetrates into metallic and polymer surfaces providing unsurpassed and extended lubrication to over 2000 degree F. Bore tech's Extreme Grease HD is the only premium grease formulated specifically for use on firearm locking lugs, frame rails, hinge pins and camming mechanisms where smooth operation, extended part life and performance under extreme conditions is required.Features:Operational temperature range of -85 to +700 deg FExtended temperature range of 2000 deg FExtremely tacky "non gumming" "non running" formulationProvides superior lubrication and prevents galling