Product DescriptionThe Mission First Tactical (MFT) Extreme Duty Window Magazine is a rugged 30-round detachable magazine designed for 5.56 NATO/.223 Remington AR-15/M4 platforms. Built with durable polymer construction and precision manufacturing, it is engineered for long-term reliability in demanding use. Dual-side windows with numeric markers and a high-visibility spring/coil indicator help you quickly confirm approximate rounds remaining at a glance, while enhanced gripping surfaces and a flared floorplate support confident handling during reloads.Product Highlights30-round capacity magazine for 5.56 NATO/.223 Remington AR-15/M4 pattern riflesDual-side anti-glare windows with numerical markers for fast, at-a-glance round count checksEnhanced strength polymer construction with long-life USGI-spec stainless steel springFour-way anti-tilt, self-lubricating follower helps promote consistent feeding reliabilityTool-less disassembly and flared floorplate with paint pen dot matrix for easier maintenance and identificationSpecsBrand: Mission First TacticalModel: Extreme Duty Window MagazineManufacturer Part Number: EXDPM556-W-BLUPC: 814002024694Caliber: 5.56 NATO / .223 RemingtonCapacity: 30 roundsColor: BlackBody Material: Polymer (long glass fiber polymer noted by distributor listing)Spring Material: Stainless steel (USGI-spec noted by distributor listing)Follower: Anti-tilt (four-way anti-tilt, self-lubricating noted by distributor listing)Compatibility: AR-15 / M4 pattern (also listed as usable with some non-AR platforms depending on configuration)Disclaimer: We strive to provide accurate and up-to-date product descriptions, specifications, and images; however, errors or omissions may occasionally occur. We are not responsible for any inaccuracies or discrepancies in the content provided. If you notice anything incorrect or unclear, please contact us so we can correct it. When in doubt, we recommend verifying details directly with the product's manufacturer.