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Mean Arms ExoMag Ejector AR-15 Magazine, 20 Round, 9mm Luger. Injection-molded polymer body with high-tensile steel spring and polymer follower. Built-in ejector for reliable feeding on standard blowback AR-15 platforms. Last-round hold-open feature. Compatible with standard Mil-Spec and Commercial AR-15 lowers. No magwell adapter required.
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