Mission First Tactical Extreme Duty Rifle Magazine AR15 5.56x45mm/.223 Rem/.300 AAC 30 Rounds Liberty or Death. Specifications for Mission First Tactical Extreme Duty AR-15 5.56x45mm/.223 Rem/.300 AAC 30 Round Rifle Magazine: Manufacturer: Mission First Tactical Fabric/Material: Polymer Magazine Capacity: 30 Round Caliber: 5.56x45mm NATO .223 Remington Gun Make: AR Platform Gun Model: AR-15 Features of Mission First Tactical Extreme Duty AR15 5.56x45mm//.223 Rem/.300 AAC 30 Rounds Rifle Magazine 50percent Stronger 3x More Impact Resistant than traditional nylons Next Generation Long Glass Fiber Polymer Enhanced Strength & Durability Ribbed front and rear gripping surface Long-life USGI-spec stainless steel spring Four-way anti-tilt self-lubricating follower Flared floor plate Oversized bolt catch Paint Pen dot matrix Tool-less disassembly with double floor plate safety release tabs Package Contents: Mission First Tactical Extreme Duty AR-15 5.56x45mm/.223 Rem/.300 AAC 30 Round Rifle Magazine What firearm models does the manufacturer say Mission First Tactical Extreme Duty AR-15 5.56x45mm/.223 Rem/.300 AAC 30 Round Rifle Magazine is compatible with? The manufacturer suggests that Mission First Tactical Extreme Duty AR-15 5.56x45mm/.223 Rem/.300 AAC 30 Round Rifle Magazine is compatible with AR-15Mission First Tactical EXDPM556D-LD-30RD: Extreme Duty Rifle Magazine AR15 5.56x45mm/.223 Rem/.300 AAC 30 Rounds Liberty or Death