Ultimate Arms Gear Mag Wraps Magwell Slaps 4 Pack of Stealth Black US American Patriot Flag AR15/M4/M16 .223 5.56 Waterproof Durable Lower Decal Skin Kit - USA MADE Slaps work with any AR .223 5.56 Magwell. 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. Durable Hi-Vinyl Material. Non-Reflective Matte Finish & No Interference. Leave Zero Residues when Removed. They Can Be Placed Over Each Other If Need Be For An Immediate Mission Profile Change.