Ultimate Arms Gear Mag Wraps Magwell Slaps US American Patriot Flag AR15/M4/M16 .223 5.56 Waterproof Durable Lower Decal Skin Kit, Red/White/Blue Easy peel and stick application, slap is pre-cut Our premium us made slaps offer superior uv protection, chemical resistance, protection from scuffs and scrapes and are completely waterproof Non-reflective matte finish & no interference