The MFT Extreme Duty Magazine delivers superior performance for AR-10 pattern rifles with .308 Winchester/7.62x51 ammunition compatibility and 10-round capacity in a durable smoke finish.MFT Extreme Duty AR-10 Magazine - 10-Round CapacityCompatible with AR-10A/SR25/M110 pattern riflesSAAMI-spec 7.62x51/.308 Winchester ammunition optimizedNext Generation Long Glass Fiber Polymer constructionFour-way anti-tilt self-lubricating followerRibbed front and rear gripping surfacesFlared floor plate and oversized bolt catchTextured smoke finish eliminates shinePaint pen dot matrix for identificationEngineered with advanced materials and manufacturing processes to exceed demanding military performance specifications providing enhanced strength durability and reliability for tactical and sporting applications.