Maxim Defense Industries PDX Complete Upper 5.56 NATO / .223 Rem 5.5" Barrel

The Maxim Defense PDX Complete Upper is designed for use with any mil-spec lower receiver. It comes chambered in 5.56 NATO with a 5.5 inch barrel. Features include an optics ready flat-top, an M-LOK handguard, and a Hatebrake. Get the best price online from GrabAGun today!
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