Ultimate Arms Gear Magpul MAG541 MAG 541 Paraclip Silicone Cloth Package Includes: Magpul MAG541 + Ultimate Arms Gear Cleaning Cloth Magpul Industries Is MADE IN THE USA. Ultimate Arms Gear Silicone Cloth is an Essential Part of Every Shooter's Arsenal. Lubricated with Safe, Non-Toxic, Food-Grade Silicone, Our Cloths Wipe Away The Fingerprints and Body Oils that Cause Rust.