Magpul Ar-15 Picatinny Moe Rail Polymer - Moe L4 Rail Picatinny Polymer Black 4" Manufacturer : Magpul Product type : Rifle Parts>Forend & Handguard Parts>Handguard & Rail Accessories>Accessory Rails Product weight : 0.1 Pounds Product Code: 100005602-100005600-11116 Category : Mature > Weapons > Gun Accessories > Gun Rails