Magpul Industries PMAG D-60 AR/M4 Gen M3 Rifle Magazine 5.56x45mm NATO/.223 Remington 60 Round Black 1 Pack Polymer 60RD. The unique drum configuration keeps the height of the magazine manageable and allows for prone firing and easier storage. Features an easy-to-use loading lever paint pen dot matrix for easy marking and a rear window for instant capacity indication. Specifications for Magpul Industries PMAG D-60 AR/M4 Gen M3 5.56x45mm NATO/.223 Remington 60 Round Rifle Magazine: Manufacturer: Magpul Industries Color: Black Fabric/Material: Polymer Magazine Capacity: 60 Round Caliber: 5.56x45mm NATO .223 Remington Gun Make: AR Platform Gun Model: M4 AR-15 Quantity: 1 Condition: New Features of Magpul Industries PMAG D-60 AR/M4 Gen M3 5.56x45 NATO/.223 Remington 60 Round Rifle Magazine Next-generation impact and crush resistant polymer construction All components are corrosion resistant Bolt hold open feature to lock the bolt back on the last round Will seat fully loaded on a closed bolt Ratcheting Loading Lever takes tension off the spring for easy loading by hand Feed Tower is compatible with most loading devices including USGI stripper clips and guides the StripLULA and others Designed to be left loaded for long term storage with no degradation of function Easy to disassemble for cleaning with only a flat-bladed screwdriver or similar flat-bladed tool Slip-on semi-rigid dust cover prevents grit and debris intrusion during storage and transport Anti-glare translucent window on rear of drum allows for easy determination of rounds remaining Paint pen dot matrix panel on back of body to allow for identification marking Package Contents: Magpul Industries PMAG D-60 AR/M4 Gen M3 5.56x45mm NATO/.223 Remington 60 Round Rifle Magazine What firearm models does the manufacturer say Magpul Industries PMAG D-60 AR/M4 Gen M3 5.56x45mm NATO/.223 Remington 60 Round Rifle Magazine is compatible with? The manufacturer suggests that Magpul Industries PMAG D-60 AR/M4 Gen M3 5.56x45mm NATO/.223 Remington 60 Round Rifle Magazine is compatible with AR-15 M4Magpul Industries MAG576-BLK-60RD: PMAG D-60 AR/M4 Gen M3 Rifle Magazine 5.56x45mm NATO/.223 Remington 60 Round Black 1 Pack Polymer