Mission First Tactical Rifle Magazine AR15 5.56mm/.223/.300 AAC Bagged 10 Rounds Black 10RD. 56 NATO magazine engineered as an enhancement of the standard STANAG design. A flared floor plate aids in extraction and handling. The floor plate provides drop protection has a paint pen dot matrix area for easy identification marking. Two fully functional drain holes ensure full and proper draining. Simple toolless disassembly with double floor plate safety release tabs allows user to safely release spring tension during disassembly and quick ammo dumps. Long-life steel spring and four-way anti-tilt follower ensure reliable feeding.Oversized bolt catch notch in the rear of the magazine provides enhanced reliability of the bolt catch operation. Toolless disassembly with double floor plate safety release tabs Specifications for Mission First Tactical AR15 5.56mm/.223/.300 AAC Bagged 10 Rounds Rifle Magazine: Manufacturer: Mission First Tactical Fabric/Material: Polymer Magazine Capacity: 10 Round Caliber: 5.56x45mm NATO Gun Make: AR Platform Gun Model: AR-15 Gun Type: Rifle Quantity: 1 Condition: New Package Contents: Mission First Tactical AR15 5.56mm/.223/.300 AAC Bagged 10 Rounds Rifle Magazine What firearm models does the manufacturer say Mission First Tactical AR15 5.56mm/.223/.300 AAC Bagged 10 Rounds Rifle Magazine is compatible with? The manufacturer suggests that Mission First Tactical AR15 5.56mm/.223/.300 AAC Bagged 10 Rounds Rifle Magazine is compatible with AR-15Mission First Tactical 10PM556BAG-BL-10RD: Rifle Magazine AR15 5.56mm/.223/.300 AAC Bagged 10 Rounds Black