Gun Lubrication; Extreme formula works in every climate from -40F to +125F; Transition between sub-zero conditions through high temperatures; Pourable in freezing climates and stays intact during high heat operations; Reduces fouling on tactical rifles used in high column round counts; Functions extremely well on tight action or precision built firearms including AR and M-1911; All natural; Non-toxic; Petroleum-free; 1.5 oz Squeeze Tube