Protects against friction - Rem Oil PRO3 is formulated to offer premium performance and lubricity to keep actions working smoothly Protects against wear - Rem Oil PRO3 Protects both internal and external components from harmful metal to metal wear Provides lower wear, higher lubricity performance under stress and superior corrosion protection. Designed to withstand the high pressure, high cycle environments of semi- or fully-automatic firearms Mfg: Remington