SHOP Pro2a Tactical's 5.56 NATO AR-15 Complete Uppers. We offer a huge selection in a variety of barrel lengths, twists, gas systems, handguards, muzzle devices and many options to enhance the performance of your upper. Our complete uppers with the bolt carrier group and charging handle are ready to shoot right out of the box. Be sure to browse our broad selection of complete lower receivers to complete your custom build. We are the superstore for high quality ar-15 uppers.

5.56 NATO

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