Ultimate Arms Gear ABAM1B American Built AB Arms Black 5.56/.223 2 Piece Modular Mount with Top + LTFCR Black 4/5/7 Slots Cleaning Cloth 2 Piece Design with Upper and Lower Shields for Maximum Cooling. Weighs 4.5 ounces. USA MADE Designed and Engineered to Accommodate Gas Piston or Direct Gas Impingement System. Hand Stop and Textured Surface. Top System. Slots Light Weight Polymer with High Strength Fibers. Bolts and Lock Washers Included. 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. Size: 12" x 14" Inches. Color: Yellow.