FAB Defense AR Platforms Gen 2 AR-15 5.56x45mm NATO 30 Rounds Rifle Magazine Magazine Black fx-umagg230b-30RD. 56x45 NATO (.223 Remington) polymer magazine for AR15/M4 compatible weapons. The Windowless Polymer AR Magazine provides a strong durable and reliable magazine solution using high grade materials. Specifications for FAB Defense AR-15 Platforms Gen 2 5.56x45mm NATO 30 Rounds Polymer Magazine: Manufacturer: FAB Defense Fabric/Material: Polymer Magazine Capacity: 30 Round Caliber: 5.56x45mm NATO Gun Make: AR Platform Gun Model: AR-15 Quantity: 1 Features of FAB Defense AR-15 Platforms Gen 2 5.56x45mm NATO 30 Rounds Polymer Magazine: Multi-textured surface for enhanced grip when handling and reloading Unique floor plate for versatile coupling options Disassembled by hand no tools needed Long-lasting cataphoresis-coated spring for ideal corrosion protection Hybrid AK style spring design prevents tilt Unique internal design for smoother more reliable feeding Low-friction follower for increased reliability Durable lightweight impact and crush-resistant reinforced polymer body Long-lasting spring design for extended duration in loaded storage Extended floorplate for improved magazine handling with gloves and gear Compatible with double and triple mag pouches Over-travel protection stops on the follower for reliable spring operation Package Contents: FAB Defense AR-15 Platforms Gen 2 5.56x45mm NATO 30 Rounds Polymer Magazine What firearm models does the manufacturer say FAB Defense AR-15 Platforms Gen 2 5.56x45mm NATO 30 Rounds Polymer Magazine is compatible with? The manufacturer says that FAB Defense AR-15 Platforms Gen 2 5.56x45mm NATO 30 Rounds Polymer Magazine is compatible with AR-15FAB Defense fx-umagg230b-30RD: AR Platforms Gen 2 5.56x45 30 Rounds Polymer Magazine Black