This Break-Free 4oz bottle of Synthetic gun oil is perfect for anyone who wants to keep their firearm in top condition. Designed for both preservative and lubrication purposes, this lubricant/oil can help increase the longevity of your gun. Made in the United States, this product is a great addition to any gun owner's cleaning supplies. With the added benefit of being California Prop 65 compliant, this Break-Free gun oil comes with a warning for potential exposure to cancer causing chemicals. However, this should not deter you from using it as it is a high-quality lubricant that will help your firearm perform at its best. Whether you're a hunter or just someone who enjoys shooting, this 4oz bottle of Break-Free Synthetic gun oil is a must-have for maintaining your firearm.